Which pair is correct ?
(A) Microlecithal eggs — Dipnoi
(B) Homolecithal eggs — Amphibia
(C) Mesolecithal eggs — Bird
(D) Centrolecithal eggs — Insect
Answer:
The hypothesis of ‘Coupling and Repulsion’ for linkage was formulated by—
(A) Sutton and Boveri
(B) Bateson and Punnet
(C) T.H. Morgan
(D) W. Sutton
Answer:
Balanoglossus is commonly known as—
(A) Earthworm
(B) Tapeworm
(C) Corn worm
(D) Tongue worm
Answer:
In Drosophila, sex determination depends on—
(A) Ychromosome
(B) Xchromosome
(C) Autosome
(D) Xchromosomeand autosome both
Answer:
Nonsense codons are—
(A) AUG, AAU, UAG
(B) GGU, AGU, AUG
(C) UAG, UAA, UGA
(D) GAU, AAU, GUA
Answer:
In which stage does centromere divide in two ?
(A) MetaphaseI
(B) ProphaseI
(C) MetaphaseII
(D) AnaphaseII
Answer:
Which animal is egg laying mammal ?
(A) Didelphys
(B) Macropus
(C) Pteropus
(D) Tachyglossus
Answer:
An oil producing gland on the tail of bird is known as—
(A) Preen gland
(B) Mucus gland
(C) Green gland
(D) Sebaceous gland
Answer:
A snake that is viviparous is—
(A) The Russell’s pitless viper
(B) The pit viper
(C) Rattle snake
(D) Kraits
Answer:
A gland which is found on undersurface of the thighs of male lizard ?
(A) Sudorific gland
(B) Femoral gland
(C) Green gland
(D) Stink gland
Answer: