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NET Class 10 Class 12 (PCB) Sciences
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Biology online classes
41 followers study24x7 01 Jan 1970 05:30 AM study24x7 study24x7

Small chemical groups on the antigen molecule that can react with antibody...

A

Epitope

B

Paratope

C

Isotope

D

Allotope

NET Class 12 (PCB) Sciences
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Biology online classes
41 followers study24x7 01 Jan 1970 05:30 AM study24x7 study24x7

The bond involved in antigen antibody interactions?

A

weak hydrogen bonds & vanderwalls forces

B

Strong covalent bonds

C

Strong di-sulphide bonds

D

All of these

NET Class 12 (PCB) Sciences
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Biology online classes
41 followers study24x7 01 Jan 1970 05:30 AM study24x7 study24x7

The ig involved in host defence against parasitic infection...

A

igM

B

igE

C

igG

D

igA

NET Class 12 (PCB) Sciences
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Biology online classes
41 followers study24x7 01 Jan 1970 05:30 AM study24x7 study24x7

The ig that mediates allergic reaction is....

A

igM

B

igG

C

igE

D

igA

NET Class 12 (PCB) Sciences
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Biology online classes
41 followers study24x7 01 Jan 1970 05:30 AM study24x7 study24x7

The most effective ig is....

A

igM

B

igG

C

igA

D

igE

NET Class 12 (PCB) Sciences
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Biology online classes
41 followers study24x7 01 Jan 1970 05:30 AM study24x7 study24x7

The second most abundent ig is.....

A

igM

B

igG

C

igA

D

igE

NET Class 12 (PCB) Sciences
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Biology online classes
41 followers study24x7 01 Jan 1970 05:30 AM study24x7 study24x7

Name the hormone which is at peak during ovulation?

A

Progesterone

B

Estrogen

C

FSH

D

LH

NET Class 12 (PCB) Sciences
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Biology online classes
41 followers study24x7 01 Jan 1970 05:30 AM study24x7 study24x7

Out of the following ,which hormone does not secret from corpus leteum?

A

Estrogen

B

Progesterone

C

Relaxin

D

Testosterone

NET Class 12 (PCB) Sciences
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Biology online classes
41 followers study24x7 01 Jan 1970 05:30 AM study24x7 study24x7

Which of the following is an energy source for the sperm?

A

Somatostatin

B

Prostaglandin

C

Proteins

D

Fructose

NET Class 12 (PCB) Sciences
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Biology online classes
41 followers study24x7 01 Jan 1970 05:30 AM study24x7 study24x7

Which of the following produces the male sex hormone?

A

Rete testis

B

Seminiferous tubule

C

Leydig cell

D

Scrotum

NET Class 12 (PCB) Sciences
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Biology online classes
41 followers study24x7 01 Jan 1970 05:30 AM study24x7 study24x7

Name the site of sperm maturation?

A

Epididymis

B

Ductus deferens

C

Urethra

NET Class 12 (PCB) Sciences
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Biology online classes
41 followers study24x7 01 Jan 1970 05:30 AM study24x7 study24x7

The incomplete descent of the tests into the scrotum is called cryptorchidism....

A

true

B

false

NET Class 12 (PCB) Sciences
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Biology online classes
41 followers study24x7 01 Jan 1970 05:30 AM study24x7 study24x7

The primary sex organ is known as.....

A

Regulated blood volume and composition

B

Synthesize glucose

C

Regulate blood pressure

D

Gonads

NET Class 12 (PCB) Sciences
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Biology online classes
41 followers study24x7 01 Jan 1970 05:30 AM study24x7 study24x7

The opening of right atrium into right ventricle is guarded by.....

A

Mitral valve

B

Tricuspid valve

C

Bicuspid valve

D

Aortic semilunar valve

NET Class 12 (PCB) Sciences
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Biology online classes
41 followers study24x7 01 Jan 1970 05:30 AM study24x7 study24x7

Blood enters into the heart because of muscles of.....

A

atria relax

B

ventricles contract

C

ventricles relax

D

atria contract

NET Class 12 (PCB) Sciences
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Biology online classes
41 followers study24x7 01 Jan 1970 05:30 AM study24x7 study24x7

Pacemaker is....

A

AV node

B

SA node

C

Bundle of HIS

D

Ventricle muscle

NET Class 12 (PCB) Sciences
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Biology online classes
41 followers study24x7 01 Jan 1970 05:30 AM study24x7 study24x7

Which of the following has the thickest wall?

A

Right ventricle

B

Left ventricle

C

Left atrium

D

Right atrium

NET Class 12 (PCB) Sciences
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Biology online classes
41 followers study24x7 01 Jan 1970 05:30 AM study24x7 study24x7

Sargasso sea is named after an algae Sargassum which is a...

A

Green algae

B

Brown algae

C

Red algae

D

Blue green algae

NET Class 12 (PCB) Sciences
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Biology online classes
41 followers study24x7 01 Jan 1970 05:30 AM study24x7 study24x7

Cephaleoures is

A

An epiphytic green algae

B

A parasitic green algae

C

A fresh water green algae

D

A colourless green algae

NET Class 12 (PCB) Sciences
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Biology online classes
41 followers study24x7 01 Jan 1970 05:30 AM study24x7 study24x7

Zygotic meiosis is a characteristic feature of...

A

Algae

B

Bryophytes

C

Pteridophytes

D

Gymnosperms

NET Class 12 (PCB) Sciences
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