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Decode#1

Total questions: 15

Worksheet time: 5mins

Name
Class
Date
1.

Plant & animal with their highest life span is

a)

Rice plant & Housefly

b)

Banyan Tree & Parrot

c)

Peepal & Turtle

d)

Sequoia & Tortoise

2.

Triploid nucleus is found in

a)

Endothecium

b)

Endothelium

c)

Endosperm

d)

All of the above

3.

Chargaff's rule is

a)

A+C=T+G

b)

A+T=G+C

c)

A+G=C+T

d)

A+U=G+C

4.

Malaria is caused by

a)

Plasmodium malariae

b)

Plasmodium falciparum

c)

Plasmodium vivax

d)

all of the above

5.

Which of the following is an organic acid?

a)

Acetic acid

b)

Hydrochloric acid

c)

Nitric acid

d)

Sulphuric acid

6.

Ostia & Osculum are the characteristics of

a)

Coelenterata

b)

Ctenophora

c)

Porifera

d)

Annelida

7.

T-lymphocytes provide

a)

Antibody mediated immunity

b)

Cell mediated immunity

c)

Humoral immunity

d)

All of the above

8.

Peripatus is the connecting link between

a)

Platyhelminthes & Aschelminthes

b)

Arthropoda & Mollusca

c)

Annelida & Arthropoda

d)

Annelida & Mollusca

9.

Salt is usually used to get rid of leech. Which of the following mechanism is involved in this process?

a)

Chemosensation

b)

Osmosis

c)

Compartmentalization

d)

Homeostasis

10.

CO is a pollutant because

a)

it reacts with O2

b)

it inhibits glycolysis

c)

it reacts with hemoglobin

d)

it makes nervous system inactive

11.

Biologically most resistant plant material is

a)

Sporopollenin

b)

Cutin

c)

Lignin

d)

Suberin

12.

Nucleated RBC is present in

a)

man

b)

rat

c)

rabbit

d)

frog

13.

Schwann cell is found around

a)

Axon

b)

Cyton

c)

Dendrite

d)

Dendron

14.

Optically inactive amino acid is

a)

phenyl alanine

b)

glycine

c)

glutamic acid

d)

aspargine

15.

Which of the following has highest electron affinity?

a)

F

b)

Cl

c)

N

d)

O