Zoology & Botany MCQs For Various Competitive & Entrance Exam, Set 3

Zoology & Botany MCQs

Q.1

Bipinnaria is a larval stage of - 

(a) holothuroidea

(b) asteroidea

(c) echinoidea

(d) crinoidea

Ans. (b)

Q.2

Lchtyophis belong to - 

(a) Reptilia

(b) Annelida

(c) Amphibia

(d) Mollusca

Ans. (c)

Q.3

Biological name of flying frog is

(a) Alytes

(b) Pila

(c) Hyla

(d) Rhacophorus

Ans. (d)

Q.4

Gavialis live in -

(a) river

(b) ponds and pools

(c) sea

(d) all of these

Ans. (a)

Q.5

Poison glands of snakes are modified -

(a) sub-linguals

(b) linguals

(c) maxillaries

(d) paratoids

Ans. (d)

Q.6

Mammals which lay eggs are - 

(a) Tachyglossus (Echidna)

(b) Ornithorhynchus and Echidna

(c) Macropus

(d) Didelphis a

Ans. (b)

Q.7

During replication of bacterial chromosome DNA synthesis starts from a replication origin site and -

(a) RNA promers are involved

(b) moves in bidirectional way

(c) is faciliated by telomerase

(d) moves in one direction of the site

Ans. (a)

Q.8

In a plant, the red color of fruit (R) is dominant over yellow color of fruit (r) and tallness (T) is dominant over dwarfism/shortness (t). If a plant with RRTt genotype is crossed with a plant of genotype rrtt. The progeny will be - 

(a) all progeny will be tall with red fruit

(b) 50% will be drawf red and 50% will be tall with red fruit

(c) only 25% will be tall with red fruit

(d) 75% will be tall with red fruit

Ans. (b)

Q.9

A normal woman whose father was color blind, is married to a normal man. The daughters would be -

(a) all normal

(b) 50% normal

(c) all normal but carrier

(d) 50% Carrer and 50 % colourblind

Ans. (b)

Q.10

Anopheles, Culex and Aedes are the main genera of mosquitoes. The larva and pupa of these genera are known as -

(a) wriggler and imago

(b) maggot and tumbler

(c) wriggler and tumbler

(d) maggot and imago

Ans. (c)