0 of 20 questions completed
Questions:
- 1
- 2
- 3
- 4
- 5
- 6
- 7
- 8
- 9
- 10
- 11
- 12
- 13
- 14
- 15
- 16
- 17
- 18
- 19
- 20
Information
No. of Questions – 20
Time – 20 min
You have already completed the Test before. Hence you can not start it again.
Test is loading...
You must sign in or sign up to start the Test.
You have to finish following quiz, to start this Test:
Your results are here!! for" Biology - 1 "
0 of 20 questions answered correctly
Your time:
Time has elapsed
Your Final Score is : 0
You have attempted : 0
Number of Correct Questions : 0 and scored 0
Number of Incorrect Questions : 0 and Negative marks 0
-
Not categorized
You have attempted: 0
Number of Correct Questions: 0 and scored 0
Number of Incorrect Questions: 0 and Negative marks 0
- 1
- 2
- 3
- 4
- 5
- 6
- 7
- 8
- 9
- 10
- 11
- 12
- 13
- 14
- 15
- 16
- 17
- 18
- 19
- 20
- Answered
- Review
- Question 1 of 20
1. Question
Most of the desert plants bloom during night time because [1995]
CorrectPlant and animal activity happens at night in deserts due to high temperature. The desert insect pollinates flowers in night.
IncorrectPlant and animal activity happens at night in deserts due to high temperature. The desert insect pollinates flowers in night.
UnattemptedPlant and animal activity happens at night in deserts due to high temperature. The desert insect pollinates flowers in night.
- Question 2 of 20
2. Question
Living organisms require at least 27 elements, of which 15 are metals. Among these, those required in major quantities, include [1996]
CorrectLiving organism require about 27 elements of which 15 are metals. K, Mg, Na and Ca are required in major quantities. Minor quantity of Mn, Fe, Co, Cu, Zn and Mo and trace amount of V, Cr, Sn, Ni and Al are required by some organisms.
Calcium, magnesium and phosphorus are essential parts of the bones and teeth.
Calcium is necessary for blood clotting.
Sodium helps in muscle activity and transmission of nerve.IncorrectLiving organism require about 27 elements of which 15 are metals. K, Mg, Na and Ca are required in major quantities. Minor quantity of Mn, Fe, Co, Cu, Zn and Mo and trace amount of V, Cr, Sn, Ni and Al are required by some organisms.
Calcium, magnesium and phosphorus are essential parts of the bones and teeth.
Calcium is necessary for blood clotting.
Sodium helps in muscle activity and transmission of nerve.UnattemptedLiving organism require about 27 elements of which 15 are metals. K, Mg, Na and Ca are required in major quantities. Minor quantity of Mn, Fe, Co, Cu, Zn and Mo and trace amount of V, Cr, Sn, Ni and Al are required by some organisms.
Calcium, magnesium and phosphorus are essential parts of the bones and teeth.
Calcium is necessary for blood clotting.
Sodium helps in muscle activity and transmission of nerve. - Question 3 of 20
3. Question
It is possible to produce seedless tomato fruits by [1996]
CorrectHormone auxin is responsible to produce seedless tomato fruits.
IncorrectHormone auxin is responsible to produce seedless tomato fruits.
UnattemptedHormone auxin is responsible to produce seedless tomato fruits.
- Question 4 of 20
4. Question
Match List-I (Physiological processes) with List-II (Cell organelles) and select the correct answer by using the codes given below: [1996]
List- I List-II
A. Photosynthesis 1. Plasma membrane
B. Mineral uptake 2. Chloroplast
C. Respiration 3. Mitochondria
D. Protein synthesis 4. RibosomesCorrectPhotosynthesis occurs in green plants by the help of chloroplast. Plasma membrane helps in transport of minerals. Cellular respiration is related to mitochondria, by which energy releases. Ribosome helps in protein synthesis.
IncorrectPhotosynthesis occurs in green plants by the help of chloroplast. Plasma membrane helps in transport of minerals. Cellular respiration is related to mitochondria, by which energy releases. Ribosome helps in protein synthesis.
UnattemptedPhotosynthesis occurs in green plants by the help of chloroplast. Plasma membrane helps in transport of minerals. Cellular respiration is related to mitochondria, by which energy releases. Ribosome helps in protein synthesis.
- Question 5 of 20
5. Question
Which one of the following is a modified stem? [1996]
CorrectPotato tuber bears buds in small pits known as eyes. Buds develops to branches. Some of the branches become green, erect and leafy stems that grow horizontally under ground.
IncorrectPotato tuber bears buds in small pits known as eyes. Buds develops to branches. Some of the branches become green, erect and leafy stems that grow horizontally under ground.
UnattemptedPotato tuber bears buds in small pits known as eyes. Buds develops to branches. Some of the branches become green, erect and leafy stems that grow horizontally under ground.
- Question 6 of 20
6. Question
Which one of the following type of micro organisms is most widely used in industries? [1998]
CorrectBacteria, microalgae and fungi is most widely used in industries. Bacteria like Lactobacillus sp. is used in manufacturing of vinegar and alcohol by fementation process.
Most of algae are used as single cell protein (i.e. Spirulina).
Different drugs like penicillin is manufactured from fungi Penicillium notatum.IncorrectBacteria, microalgae and fungi is most widely used in industries. Bacteria like Lactobacillus sp. is used in manufacturing of vinegar and alcohol by fementation process.
Most of algae are used as single cell protein (i.e. Spirulina).
Different drugs like penicillin is manufactured from fungi Penicillium notatum.UnattemptedBacteria, microalgae and fungi is most widely used in industries. Bacteria like Lactobacillus sp. is used in manufacturing of vinegar and alcohol by fementation process.
Most of algae are used as single cell protein (i.e. Spirulina).
Different drugs like penicillin is manufactured from fungi Penicillium notatum. - Question 7 of 20
7. Question
Match List-I with List-II and select the correct answer by using the codes given below the lists [1998]
List-I List-II
A. Fruit 1. Ovule
B. Seed 2. Leaf
C. Wood 3. Stem
D. Starch 4. OvaryCorrectAfter the pollination of ovary, fruit develops gradually from it.
Stem of tree develops to wood.
Seed develops from fertilized ovule.
Leaf produces starch at the time of photosynthesis.IncorrectAfter the pollination of ovary, fruit develops gradually from it.
Stem of tree develops to wood.
Seed develops from fertilized ovule.
Leaf produces starch at the time of photosynthesis.UnattemptedAfter the pollination of ovary, fruit develops gradually from it.
Stem of tree develops to wood.
Seed develops from fertilized ovule.
Leaf produces starch at the time of photosynthesis. - Question 8 of 20
8. Question
Which one of the following statements regarding starch and cellulose is not correct? [1998]
CorrectStarch and cellulose both are plant origin. Starch deposits in plant cells, whereas cellulose is most important constituent of plant cell wall. Both starch and cellulose are polymers. Starch is branched polymer of α – D – glucose unit linked by α – 1, 4 glycosidic bond. Cellulose is a linear polymer of β – D – glucose unit.
Glucose molecules are present in both starch and cellulose.
Amylose in starch is responsible for the formation of deep blue colour in the presence of iodine but cellulose does not give any colour at the treatment with iodine, because amylose is absent in cellulose.IncorrectStarch and cellulose both are plant origin. Starch deposits in plant cells, whereas cellulose is most important constituent of plant cell wall. Both starch and cellulose are polymers. Starch is branched polymer of α – D – glucose unit linked by α – 1, 4 glycosidic bond. Cellulose is a linear polymer of β – D – glucose unit.
Glucose molecules are present in both starch and cellulose.
Amylose in starch is responsible for the formation of deep blue colour in the presence of iodine but cellulose does not give any colour at the treatment with iodine, because amylose is absent in cellulose.UnattemptedStarch and cellulose both are plant origin. Starch deposits in plant cells, whereas cellulose is most important constituent of plant cell wall. Both starch and cellulose are polymers. Starch is branched polymer of α – D – glucose unit linked by α – 1, 4 glycosidic bond. Cellulose is a linear polymer of β – D – glucose unit.
Glucose molecules are present in both starch and cellulose.
Amylose in starch is responsible for the formation of deep blue colour in the presence of iodine but cellulose does not give any colour at the treatment with iodine, because amylose is absent in cellulose. - Question 9 of 20
9. Question
Ergotism is due to consumption of [1998]
CorrectErgotism is the effect of long term ergot poisoning, due to ingestion of alkaloids produced by fungus Claviceps purpurea which is found in infected cereals and ryes.
IncorrectErgotism is the effect of long term ergot poisoning, due to ingestion of alkaloids produced by fungus Claviceps purpurea which is found in infected cereals and ryes.
UnattemptedErgotism is the effect of long term ergot poisoning, due to ingestion of alkaloids produced by fungus Claviceps purpurea which is found in infected cereals and ryes.
- Question 10 of 20
10. Question
Which one of the following is a useful functional association between fungi and the roots of higher plants? [1999]
CorrectMycorrhiza is a symbiotic association between a fungus and the roots of a vascular plant. Mycorrhiza takes carbohydrate from the plants. In return, the fungus helps the plant by supplying water and the important minerals.
IncorrectMycorrhiza is a symbiotic association between a fungus and the roots of a vascular plant. Mycorrhiza takes carbohydrate from the plants. In return, the fungus helps the plant by supplying water and the important minerals.
UnattemptedMycorrhiza is a symbiotic association between a fungus and the roots of a vascular plant. Mycorrhiza takes carbohydrate from the plants. In return, the fungus helps the plant by supplying water and the important minerals.
- Question 11 of 20
11. Question
Which one of the following organisms can serve as a biofertilizer for rice crop? [2000]
CorrectBlue green algae is used as a biofertilizer in rice crop. Blue green algae has the nitrogen fixing ability which enhances the production of rice.
IncorrectBlue green algae is used as a biofertilizer in rice crop. Blue green algae has the nitrogen fixing ability which enhances the production of rice.
UnattemptedBlue green algae is used as a biofertilizer in rice crop. Blue green algae has the nitrogen fixing ability which enhances the production of rice.
- Question 12 of 20
12. Question
Phytotron is a facility to [2000]
CorrectPhytotron is a type of chamber, designed to provide a controlled environment for the study of plant growth.
IncorrectPhytotron is a type of chamber, designed to provide a controlled environment for the study of plant growth.
UnattemptedPhytotron is a type of chamber, designed to provide a controlled environment for the study of plant growth.
- Question 13 of 20
13. Question
Soft drinks such as colas contain significant quantities of: [2000]
CorrectCocoa contains caffeine, carbonated water, glucose-fructose, kola extract and caramel colour.
IncorrectCocoa contains caffeine, carbonated water, glucose-fructose, kola extract and caramel colour.
UnattemptedCocoa contains caffeine, carbonated water, glucose-fructose, kola extract and caramel colour.
- Question 14 of 20
14. Question
Canola refers to special type of oil seed mustard varieties bred for human consumption. The main characteristic of these varieties is that the [2000]
CorrectCanola oil is the lowest in saturated fat, it is high in certain omega 3 fatty acid and mono saturated fats, which are found in nuts and are healthy for the heart.
IncorrectCanola oil is the lowest in saturated fat, it is high in certain omega 3 fatty acid and mono saturated fats, which are found in nuts and are healthy for the heart.
UnattemptedCanola oil is the lowest in saturated fat, it is high in certain omega 3 fatty acid and mono saturated fats, which are found in nuts and are healthy for the heart.
- Question 15 of 20
15. Question
Which organelle in the cell, other than nucleus contains DNA? [2001]
CorrectDNA found in mitochondria other than nucleus. The DNA is called mitochondrial DNA.
IncorrectDNA found in mitochondria other than nucleus. The DNA is called mitochondrial DNA.
UnattemptedDNA found in mitochondria other than nucleus. The DNA is called mitochondrial DNA.
- Question 16 of 20
16. Question
“Athlete’s Foot” is a disease caused by [2001]
CorrectAthlete’s Foot disease is caused by parasitic fungus of genus Trichophyton. Scaling, flaking and itching of affected areas are the symptoms of this disease. This disease transmitted in moist areas where people walk bare foot.
IncorrectAthlete’s Foot disease is caused by parasitic fungus of genus Trichophyton. Scaling, flaking and itching of affected areas are the symptoms of this disease. This disease transmitted in moist areas where people walk bare foot.
UnattemptedAthlete’s Foot disease is caused by parasitic fungus of genus Trichophyton. Scaling, flaking and itching of affected areas are the symptoms of this disease. This disease transmitted in moist areas where people walk bare foot.
- Question 17 of 20
17. Question
Epiphytes are plants which depend on other plants for [2001]
CorrectAn epiphyte is a plant normally grows on another plant for support. It is non parasitic, but uses the host plant for support. A plant such as tropical orchid or staghorn fern, that grows on another plant upon which it depends for mechanical support but not for nutrients.
IncorrectAn epiphyte is a plant normally grows on another plant for support. It is non parasitic, but uses the host plant for support. A plant such as tropical orchid or staghorn fern, that grows on another plant upon which it depends for mechanical support but not for nutrients.
UnattemptedAn epiphyte is a plant normally grows on another plant for support. It is non parasitic, but uses the host plant for support. A plant such as tropical orchid or staghorn fern, that grows on another plant upon which it depends for mechanical support but not for nutrients.
- Question 18 of 20
18. Question
In a bisexual flower, if androecium and gynoecium mature at different times, the phenomenon is known as [2002]
CorrectIn bisexual flower, the male and female flowers (androecium and gynoecium) mature at different times to avoid self-fertilization. It is called dichogamy.
IncorrectIn bisexual flower, the male and female flowers (androecium and gynoecium) mature at different times to avoid self-fertilization. It is called dichogamy.
UnattemptedIn bisexual flower, the male and female flowers (androecium and gynoecium) mature at different times to avoid self-fertilization. It is called dichogamy.
- Question 19 of 20
19. Question
Consider the following plants [2002]
1. Bougainvillea
2. Carnations
3. Cocoa
4. Grapes
Which of these plants are propagated by stem cuttings?CorrectBougainvillea, cocoa and grapes plants are propagated by stem cutting process.
IncorrectBougainvillea, cocoa and grapes plants are propagated by stem cutting process.
UnattemptedBougainvillea, cocoa and grapes plants are propagated by stem cutting process.
- Question 20 of 20
20. Question
Consider the following statements: [2003]
1. The common blue green algae, Spirogyra and Ulothrix, are found in both fresh water ponds and oceans.
2. The Chameleon can look ahead with one eye, and at the same time look behind with another.
Which of these statements is/are correct?CorrectSpirogyra and Ulothrix are green algae not blue green algae. The chameleon can see in both the direction forward and backward at the same time.
IncorrectSpirogyra and Ulothrix are green algae not blue green algae. The chameleon can see in both the direction forward and backward at the same time.
UnattemptedSpirogyra and Ulothrix are green algae not blue green algae. The chameleon can see in both the direction forward and backward at the same time.