General Science - Biology MCQs
1. Bowman’s Capsule’ works as a part of the functional unit of which among the following human physiological system?
[A] Circulatory System
[B] Respiratory System
[C] Excretory System
[D] Reproductive System
Show Answer
Correct Answer: C [Excretory System]
Notes:
Bowman’s Capsule is related to the process of ‘Ultrafiltration’ in the functional units of kidneys called ‘nephrons’.Therefore, it is a part of the excretory system.
2. Plants which are adapted to grow in soils containing high concentration of salt are known as:
[A] Xerophytes
[B] Mesophytes
[C] Halophytes
[D] Thallophytes
Show Answer
Correct Answer: C [Halophytes]
3. Which among the following have a ‘mixed heart’ ,that is the heart in which the oxygenated and the deoxygenated blood is mixed?
[A] Birds
[B] Fishes
[C] Reptiles
[D] Nematodes
Show Answer
Correct Answer: C [Reptiles]
Notes:
Reptiles and Amphibians have a mixed heart.
4. Saffron’ is obtained from which among the following parts of the plant?
[A] Stigma
[B] Anther
[C] Stamen
[D] Pollen
Show Answer
Correct Answer: A [Stigma]
5. The bacterium ‘Escherichia coli’ is found mainly in:
[A] Human Intestine
[B] Pteridophytes
[C] Root Nodules of leguminous plants
[D] Paddy fields for nitrogen fixation
Show Answer
Correct Answer: A [Human Intestine]
6. Which among the following is not a ‘heriditary’ disease?
[A] Thalessemia
[B] Colour-Blindness
[C] Haemophilia
[D] Leukemia
Show Answer
Correct Answer: D [Leukemia]
7. Human Papilloma Virus is related to which of the following diseases?
[A] Prostate Cancer
[B] Cervical Cancer
[C] Lymphatic Filariasis
[D] Leukemia
Show Answer
Correct Answer: B [Cervical Cancer]
8. The nutritional supplements Spirulina, Chorella and the Vitamin-C supplement, Dunaliella are actually :
[A] Algae
[B] Lichens
[C] Probiotics
[D] Bryophytes
Show Answer
Correct Answer: A [Algae]
9. Anemophily’ is pollination by :
[A] Birds
[B] Wind
[C] Ants
[D] Bats
Show Answer
Correct Answer: B [Wind]
Notes:
Abiotic pollination refers to situations where pollination is mediated without the involvement of other organisms. The most common form of abiotic pollination, anemophily, is pollination by wind. This form of pollination is predominant in grasses, most conifers, and many deciduous trees. Of the 20% of abiotically pollinated species, 98% are anemophilous and 2% hydrophilous, being pollinated by water.
10. Pest-resistant cotton commonly known as ‘Bt-Cotton’ is genetically engineered by inserting a gene from a:
[A] Bacterium
[B] Virus
[C] Microalgae
[D] Protist
Show Answer
Correct Answer: A [Bacterium]
0000-00-00
