Biology Practice Question and Answer
8 Q: The size of the pupil of the eye is controlled by the ______.
582 064c396e0a4dbfb486bcf64f8
64c396e0a4dbfb486bcf64f8- 1blind spotfalse
- 2retinafalse
- 3corneafalse
- 4iristrue
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Answer : 4. "iris"
Explanation :
1. The iris controls the amount of light entering the eye.
2. Iris is the colored part of the eye, which provides pigment to the eyes.
3. It is attached to the ciliary muscle, which contracts and expands to accommodate the required amount of light.
Q: Artocarpus integra is the scientific name of ___________.
569 062f32e9855c5be58410c3924
62f32e9855c5be58410c3924- 1Guavafalse
- 2Pineapplefalse
- 3Silver Oakfalse
- 4Jack fruittrue
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Answer : 4. "Jack fruit"
Q: Which of the following statements is/are correct regarding the vegetative propagation of plants?
(1). Vegetative propagation produces a clonal population.
(2). Vegetative propagation helps in eliminating the virus.
(3). Vegetative propagation can be practiced most of the year.
Select the correct answer using the code given below.
568 062ac7b21f5480112e46cb30d
62ac7b21f5480112e46cb30d- 11 and 3 onlytrue
- 21 , 2 and 3false
- 31 onlyfalse
- 42 and 3 onlyfalse
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Answer : 1. "1 and 3 only "
Q: What is the originator of the law of heredity?
564 063058c5429cb4630442cb38a
63058c5429cb4630442cb38a- 1Darwinfalse
- 2Wellesfalse
- 3Mendeltrue
- 4Lamarckfalse
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Answer : 3. "Mendel"
Q: Which of the following does NOT belong to Arthropoda group of animal kingdom?
564 06419714dfb0ff69a8ee7f4cf
6419714dfb0ff69a8ee7f4cf- 1Butterflyfalse
- 2Cockroachfalse
- 3Octopustrue
- 4Spiderfalse
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Answer : 3. "Octopus "
Q: Carica papaya is the scientific name of ___________.
561 062e8e67fefd77421d95bebab
62e8e67fefd77421d95bebab- 1Peepalfalse
- 2Papayatrue
- 3Tamarindfalse
- 4Drumstickfalse
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Answer : 2. "Papaya"
Q: What are the mechanisms affecting in polio disease?
559 060363433a0666c3c8505f6ce
60363433a0666c3c8505f6ce- 1circulatory systemfalse
- 2emission systemfalse
- 3nervous systemtrue
- 4Respiratory systemfalse
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Answer : 3. "nervous system"
Q: What causes hoof and mouth disease in animals?
559 062663cfb97c2ed7f1ddc87f3
62663cfb97c2ed7f1ddc87f3- 1Bacteriafalse
- 2Protozoafalse
- 3Virustrue
- 4Insectfalse
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