Top 1000+ Solved Biology (GK) MCQ Questions Answer
Q. Water of coconut is –
a. liquid nucellus
b. liquid rnesocarp
c. liquid endocarp
d. degenerated liquid endosperm
Q. Bulbils takes part in -
a. Sexual reproduction
b. Vegetative reproduction
c. Food storage
d. Respiration
Q. Eutrophication of a water body enhances –
a. Organic matter production
b. Biological oxygen demand
c. Both (1) and (2)
d. Neither (1) nor (2)
Q. What is farming along with animal husbandry called?
a. Mixed farming
b. Mixed agriculture
c. Dairy farming
d. Truck farming
Q. Plant genetic material in 'Gene-Bank' is preserved at - 196° C in liquid nitrogen as
a. seedling and rneristern
b. mature seed (dry)
c. pre-mature seed (high moisture)
d. ripe fruit
Q. Flowers emit fragrance to :
a. purify air
b. drive away flies
c. attract insects
d. perform all the above
Q. In a poultry unit, the factor most influencing the cost is the cost of –
a. feed
b. transportation
c. chicks
d. medicines
Q. Which of the following three R's are regarded as environment friendly?
a. Reduce, Rebuild, Restrict.
b. Random, Reduce, Recall.
c. Read, Register, Recall.
d. Reduce, Reuse, Recycle.
Q. Which of the following is/are digestive enzymes?
a. Trypsin
b. Lipase
c. Pepsin
d. All of the above
Q. Which of the following does not act both as an exocrine gland and as an endocrine gland?
a. Pituitary
b. Pancreas
c. Testis
d. Ovary
Q. Which of the following is/are examples for symbiotic association?
a. Algae - lichen
b. Plant roots - rhizobium bacteria
c. Both are right
d. Both are wrong