Examination Preparation

Archive for March 16th, 2008

CSIR Life Science Sample Questions

Cell Biology

Q. Phragmoplast is formed during

A) cell plate formation in animal cells

B) protein synthesis in animal cells

C) lysis in animal cells

D) cell plate formation in plant cells

Bio Chemistry

Q. Which bond in B DNA have to be rotated to convert it to syn G to anti confirmation?

A) Hydrogen Bond

B) Glycosidic bond

C) Phosphodiester

D) Hydrophobic

Genetics

Q. 9:3:3:1 ratio is modified in complementary genes as

A) 5:1

B) 9:7

C) 13:1

D) 12:3:1

Physiology

Q. An orthotropous ovule is one, in which micropyle and chalaza are

A) at right angles to funicle

B) parallel to funicle

C) in straight line to funicle

D) parallel along with to ovule

Q. Excessive stimulation of vagus nerve in humans may lead to

A) hoarse voice

B) peptic ulcers

C) efficient digestion of proteins

D) irregular contractions of diaphragm

Evolution

During the course of evolution the protherians have evolved from

A) Birds

B) Reptiles

C) Eutherians

D) Amphibians

For CSIR Life Science Study eCourse

Send a draft of Rs.300 and

Maheshbhai J Patel

“Anurag”

Nr. Shri Nagar Society

R K Hall Road

Opp. Chinar Gulnar Complex

Anand – 388001

visit CSIR study material blog for more information