Which one of the following statement about virus is correct?

(a)

Possess their own metabolic system

(b)

They are facultative parasites

(c)

They contain DNA or RNA

(d)

Enzymes are present

The haploid number of chromosome for an Angiosperm is 14, the number of chromosome in its endosperm would be

(a)

7

(b)

14

(c)

42

(d)

28

Gynoecium with united carpels is termed as ______.

(a)

Apocarpous

(b)

Multicarpellary

(c)

Syncarpous

(d)

None of the above

Sequences of which of the following is used to know the phylogeny.

(a)

mRNA

(b)

rRNA

(c)

tRNA

(d)

HnRNA

If mitotic division is restricted in G1 phase of the cell cycle then the condition is known as _____.

(a)

S Phase

(b)

G2 Phase

(c)

M Phase

(d)

G0 Phase

Proteins perform many physiological functions. For example some functions as enzymes. One of the following represents an additional function that some proteins discharge:

(a)

Antibiotics

(b)

Pigment conferring colour to skin

(c)

Pigments making colours of flowers

(d)

Hormones

A group of organisms having similar traits of a rank is _______.

(a)

Species

(b)

Taxon

(c)

Genus

(d)

Family

Which of the following is not present in same rank?

(a)

Primata

(b)

Orthoptera

(c)

Diptera

(d)

Insecta

In which of the following organisms, self fertilization is seen.

(a)

Fish

(b)

Round worm

(c)

Earthworm

(d)

Liver fluke

The ciliated epithelium lines the _______.

(a)

Skin

(b)

Digestive tract

(c)

Gall bladder

(d)

Trachea

Choose the incorrect sentence from the following:

(a)

Bile juice emulsifies the fat.

(b)

Chyme is a digestive acidic food in stomach.

(c)

Pancreatic juice converts lipid into fatty acid and glycerol.

(d)

Enterokinase stimulates the secretion of pancreatic juice.

Breathing is controlled by _____.

(a)

cerebrum

(b)

medulla oblongata

(c)

cerebellum

(d)

pons

Which one of the following plasma proteins is involved in the coagulation of blood?

(a)

Globulin

(b)

Fibrinogen

(c)

Albumin

(d)

Serum amylase

The end product of Ornithine cycle is _____.

(a)

carbon dioxide

(b)

uric acid

(c)

urea

(d)

ammonia

The bundle of muscle fibres is called _____.

(a)

Myofibrils

(b)

fascicle

(c)

sarcomere

(d)

sarcoplasm

Which part of the human brain is concerned with the regulation of body temperature?

(a)

Cerebellum

(b)

Cerebrum

(c)

Medulla oblongata

(d)

Hypothalamus

What is plectostele? Give example.

Why lateral roots are endogenous?

State the protoplasm theory.

Write any three significance of mitosis.

Differentiate between probiotics and pathogenic bacteria.

List the features that all vertebrates show at some point in their development.

What are earthworm casts?

Distinguish between mitral valve and semi lunar valve.

Explain the different types of placentation with example.

Distinguish between prokaryotes and eukaryotes.

List any five salient features of the family Felidae.

What is lymph? Write its function.

How is urea formed in the human body?

Label the parts of the neuron.

Explain the different types of fleshy fruit with suitable example.

What is the difference between a Zoo and Wild Life Sanctuary?

Label the given diagram.

What are the benefits of regular exercise?