An embryo of chick with 7 pairs of somites is—
(A) 20 hours old
(B) 22 hours old
(C) 24 hours old
(D) 18 hours old
Answer:
In the mammals, cleavage result formation of solid mass of cells known—
(A) Blastula
(B) Gastrula
(C) Morula
(D) Neurula
Answer:
F1particles are found in—
(A) Lysosome
(B) Mitochondria
(C) Golgi Body
(D) Endoplasmic reticulum
Answer:
The name ‘polytene chromosome’ suggested by—
(A) E.G. Balbiani
(B) Kollar
(C) Heitz
(D) Bauer
Answer:
Centriole is found in—
(A) Animal cells
(B) Red algae
(C) Prokaryotes
(D) Flowering plants
Answer:
The first phylum of animal kingdom exhibiting bilateral symmetry is—
(A) Arthropoda
(B) Annelida
(C) Mollusca
(D) Platyhelminthes
Answer:
The fresh water sponge is—
(A) Spongella
(B) Grantia
(C) Euplectella
(D) Euspongia
Answer:
Flame cells are related with—
(A) Excretory system
(B) Digestive system
(C) Circulatory system
(D) Respiratory system
Answer:
The intermediate host in the life cycle of F. hepatica (Liver fluke) is—
(A) Sheep
(B) Snail
(C) Man
(D) Bird
Answer:
Vitelline membrane is found in—
(A) Birds
(B) Tunicates
(C) Fishes
(D) Mammals
Answer: