11. Night Blindness is caused by deficiency of which of the following Vitamins?
[A] Vitamin C
[B] Vitamin K
[C] Vitamin A
[D] Vitamin B
Show Answer
Correct Answer: C [Vitamin A]
Notes:
Night blindness is caused by nearsightedness, cataracts, or vitamin A deficiency. Night blindness (nyctalopia) is the inability to see well at night or in poor light. Its causes include glaucoma medications and cataracts
12. Who among the following carries the Haemophilia, a hereditary disease?
[A] females and expressed by females
[B] females and expressed by males
[C] males and expressed by females
[D] males and expressed by males
Show Answer
Correct Answer: B [females and expressed by males]
Notes:
If he inherits his mother’s other X chromosome, he will have normal blood clotting. So a carrier’s son has a 50% chance of having hemophilia. A baby girl will inherit an X chromosome with a dominant gene for normal blood clotting from her father. So the daughter will not have hemophilia.
13. In the eye donation, which part of the eye is transplanted from the donor?
[A] Cornea
[B] Lens
[C] Retina
[D] The whole eye
Show Answer
Correct Answer: A [Cornea]
Notes:
There is currently no way to transplant an entire eye. Ophthalmologists can, however, transplant a cornea. When someone says they are getting an “eye transplant,” they are most likely receiving a donor cornea, which is the clear front part of the eye that helps focus light so that you can see.
14. Which branch of biology is known for the study of flowers?
[A] Dendrology
[B] Anatomy
[C] Agrostology
[D] Anthology
Show Answer
Correct Answer: D [Anthology]
Notes:
The study of flowers and flowering plants is known as anthology. Anthos means a flower and Logia means collection.
15. Which of the following branch of biology deals with the study of mycoplasma?
[A] Mycoplasmology
[B] Limnology
[C] Ethnobotony
[D] None of these
Show Answer
Correct Answer: A [Mycoplasmology]
Notes:
Mycoplasma is a genus of bacteria that do not have a cell wall surrounding the cell membrane.
16. On which of the following criteria is the five-state system done?
[A] Structure of the nucleus
[B] Structure of cell wall
[C] Asexual Reproduction
[D] Mode of Nutrition
Show Answer
Correct Answer: D [Mode of Nutrition]
Notes:
The main criteria of the five kingdom classification were cell structure, body organisation, mode of nutrition and reproduction, and phylogenetic relationships.
17. Who among the following discovered the cytoplasm?
[A] Rudolf von Kölliker
[B] Camillo Golgi
[C] Christian de Duve
[D] Walther Flemming
Show Answer
Correct Answer: A [Rudolf von Kölliker]
Notes:
The term was introduced by Rudolf von Kölliker in 1863. It was originally synonymous with protoplasm, but later changed to mean cell matter and organelles outside the nucleus.
18. Volvox is a common example of which of the following?
[A] Thallophyta
[B] Bryophyta
[C] Pteridophyta
[D] Angiosperms
Show Answer
Correct Answer: A [Thallophyta]
Notes:
Volvox is a common example of Thallophyta.
19. Which bacteria supply ammonia to soil?
[A] Rhizobium
[B] Lactobacillus
[C] Streptomyces
[D] Campylobacter
Show Answer
Correct Answer: A [Rhizobium]
Notes:
Rhizobium is an organic fertilizer. Biofertilizers are substances that contain microorganisms that, when applied to the soil, increase the amount of nutrients. It also enhances the growth of plants.
20. In which of the following colour, rate of photosynthesis is minimum?
[A] Red
[B] Blue
[C] Green
[D] Yellow
Show Answer
Correct Answer: D [Yellow]
Notes:
The rate of photosynthesis is minimum in yellow colour and maximum in red colour. This happens because in the absorption spectrum, the red and blue colour gets absorbed and the majority of green light gets reflected.
