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

Who coined the term biodiversity?

(a)

Walter Rosen

(b)

AG Tansley

(c)

Aristotle

(d)

AP de Candole

Molecular taxonomic tool consists of ______.

(a)

DNA and RNA

(b)

Mitochondria and Endocplamic reticulum

(c)

Cell wall and Membrane proteins

(d)

All the above

Sea anemone belongs to phylum ________.

(a)

Protozoa

(b)

Porifera

(c)

Coelenterata

(d)

Echinodermata

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

(a)

Fish

(b)

Round worm

(c)

Earthworm

(d)

Liver fluke

The limbless amphibian is ______.

(a)

Icthyophis

(b)

Hyla

(c)

Rana

(d)

Salamander

The main function of the cuboidal epithelium is ______.

(a)

Protection

(b)

Secretion

(c)

Absorption

(d)

Both (b) and (c)

Sexually, earthworms are ________.

(a)

Sexes are separate

(b)

Hermaphroditic but not self - fertilizing

(c)

Hermaphroditic and self - fertilizing

(d)

Parthenogenic

In the small intestine, active absorption occurs in case of _______.

(a)

Glucose

(b)

Amino acids

(c)

Na⁺

(d)

All the above

Absorption of glycerol, fatty acids and monoglycerides takes place by ______.

(a)

Lymph vessels within villi

(b)

Walls of stomach

(c)

Colon

(d)

Capillaries within villi

Assertion : (A) Large intestine also shows the presence of villi like small intestine.
Reason : (B) Absorption of water takes place in large intestine.

(a)

Both A and B are true and B is the correct explanation of A

(b)

Both A and B are true but B is not the correct explanation of A

(c)

A is true but B is false

(d)

A is false but B is true

Breathing is controlled by _____.

(a)

cerebrum

(b)

medulla oblongata

(c)

cerebellum

(d)

pons

The respiratory structures of insects are _____.

(a)

tracheal tubes

(b)

gills

(c)

green glands

(d)

lungs

When 1500 mL air is in the lungs, it is called _____.

(a)

vital capacity

(b)

tidal volume

(c)

residual volume

(d)

inspiratory reserve volume

After a long deep breath, we do not respire for some seconds due to ______.

(a)

more CO₂ in the blood

(b)

more O₂ in the blood

(c)

less CO₂ in the blood

(d)

less O₂ in the blood

Make the correct pairs.

Column I		Column II
(P)	IC	i)	Maximum volume of air breathed in after forced inspiration.
(Q)	EC	ii)	Volume of air present after expiration in lungs
(R)	VC	iii)	Volume of air inhaled after expiration.
(S)	FRC	iv)	Volume of air present after inspiration in lungs.

(a)

P	Q	R	S
i	ii	iii	iv

(b)

P	Q	R	S
ii	iii	iv	i

(c)

P	Q	R	S
ii	iii	i	iv

(d)

P	Q	R	S
iii	iv	i	ii

What is the function of lymph?

(a)

Transport of O₂ into brain

(b)

Transport of CO₂ into lungs

(c)

Bring interstitial fluid in blood

(d)

Bring RBC and WBC in lymph node

Which of these functions can be carried out by a red blood cell?

(a)

Protein synthesis

(b)

Cell division

(c)

Lipid synthesis

(d)

Active transport

An unconscious patient is rushed into the emergency room and needs a fast blood transfusion. Because there is no time to check her medical history or determine her blood type, which type of blood should you as her doctor, give her?

(a)

A^-

(b)

AB

(c)

O⁺

(d)

O^-

A patient's chart reveals that he has a cardiac output of 7500mL per minute and a stroke volume of 50 mL. What is his pulse rate (in beats/min)?

(a)

50

(b)

100

(c)

150

(d)

400

Kidney stones are produced due to deposition of uric acid and ______.

(a)

Silicates

(b)

Minerals

(c)

Calcium carbonate

(d)

Calcium oxalate

The hormone which helps in the reabsorption of water in kidney tubules is _____.

(a)

cholecystokinin

(b)

angiotensin II

(c)

antidiuretic hormone

(d)

Pancreozymin

The region between two successive Z-discs is called a ______.

(a)

sarcomere

(b)

microtubule

(c)

myoglobin

(d)

actin

Knee joint is an example of _____.

(a)

saddle joint

(b)

hinge joint

(c)

pivot joint

(d)

gliding joint