BOTANY : Cell & Molecular Biology

🟥 BOTANY : Cell & Molecular Biology

🟥 QUESTIONS :30

🟥 TIME : 20 MINS

1 / 30

1) Balbiani rings found in

A) lampbrush chromosomes

B) polytene chromosomes

C) heterosomes

2 / 30

2) Plant cell wall isgenerally made up of ]

-
- Murin

A) - Cellulose& pectin

B) Cellulose

C) - Chitin

3 / 30

3) : Nucleus is absent in

-

A) - Cambium

B) - Sieve tube

C) - Phloem paranchyma

4 / 30

: The term 'cell membrane' was coined by
- Sachs
-

4) -

A) Nageli and Cramer

B) - Flemming

C) Plowe

5 / 30

Which organelle possesses circular DNA?
-

5) -

A) Chloroplast

B) - Ribosome

C) Golgi apparatus

D) - Lysosome

6 / 30

6)

F1 subunit of oxysome is called
-

A) Head -

B) - Filament

C) stalk

7 / 30

7)

: F o & F 1 particles are present in which of the followinng
-

A) Mitochondria

B) Ribosome -

C) Nucleus

D) ER

8 / 30

Gene formed by the joining of DNA segments from two different sources are called ]
-

8) -

A) Recombinant gene

B) - Joinined gene

C) Chimaeric gene

9 / 30

9) : Which one of the following is not a constituent of cell membrane

A) phospholipids

B) Proline

C) - Glycolipid

D) Cholesterol

10 / 30

10)

Gene formed by the joining of DNA segments from two different sources are called ]
-

- Both a and b
-

A) Recombinant gene

B) - Joinined gene

C) Chimaeric gene

11 / 30

11) : Who created first rDNA molecule ]

-

A) - Watson ,Crick and Wilkins

B) Paul berg

C) - - Boyer and cohen

12 / 30

12)

Deposition of c DNA in to an inert structure is known as
- DNA
-

A) DNA polymerase

B) - DNA microarray

C) - DNA probe

13 / 30

13)

: In RNAi, genes are silenced using
-
-

A) ssDNA

B) dsDNA

C) - dsRNA

D) - ssRNA

14 / 30

14) The final proof for DNA as the genetic material comes from the experiments of ____

A) Griffith

B) -Hershey and Chase

C) Macleod and Avery

15 / 30

15)

: DNA fingerprinting is called
-

A) DNA typing

B) - DNA profiling -

C) - Both a & b

D) Gene cloning

16 / 30

16)

Who considerd as Father of DNA fingerprinting in India
-
-
-

A) Lalji singh

B) H khorana

C) M S Swaminathan

17 / 30

17)

VNTR is a type of ]
-

A) C DNA -

B) Satellite DNA -

C) RNA

18 / 30

18) Replication occur within the small opening in the DNAhelix is known as

A) Replication fork

B) - Duplication fork

C) - DNA fork

19 / 30

19) On which strand of DNA replication is continous

-

- 3'-4'polarity strand

A) - 5'-3'polarity strand

B) 3'-5'polarity strand

C) - 3'-2'polarity strand

20 / 30

20) Which of the following is true regarding PCR?

-

A) All of these

B) Denaturation involves heating at 90-98 degree celcius

C) - - Annealing involves binding of primer between 40-60 degee celcius

D) - Primer extension occur at 72 degree celcius

21 / 30

21) PCR is used in

A) Site specific recombination

B) - - Site directed mutagenesis

C) - Site specific translocation

D) - Both (a) and (b)

22 / 30

The PCR technique was developed by :
-

22) -

A) Watson and Crick

B) - Kary B. Mullis

C) - Hamilton smith

D) D. Nathans

23 / 30

23) An analysis of chromosomal DNA using the southern hybrid technique does not use

-

A) - Electrophoresis

B) - Autoradiography

C) - PCR

D) Blotting

24 / 30

24)

The scientist, who first observed densely stained reticular structures near the nucleus is ]
-

A) Robert Hooke

B) Camillo Golgi

C) Robert Brown

25 / 30

25)

Protein folding occur in ……… organelle –
-

A) SER -

B) Golgi body

C) Chloroplast

D) RER -

26 / 30

26)

. Consider the following statement –
S-I-Membrane of ER and Golgi both have lipid bilayer
S-II-Chloroplast and Mitochondria both have double membrane Mark the correct

A) Only S-I is correct -

B) Only S-II is correct

C) Both S-I and S-II is correct -

D) Both S-I and S-II is wrong

27 / 30

27) . The Genomic DNA or Genetic material is naked in

-

A) - All prokaryotic cells

B) Few eukaryotic cells

C) - All multicellular organism

D) - All Unicellular organism

28 / 30

28) . SER involve in all function except

A) Protein folding

B) Detoxification

C) Protein folding

29 / 30

29) Schwann proposed about plant cell was

-
- (

A) - cell wall is a unique character of the plant cells.

B) D) a new cell always develops by the division of pre-existing cells

C) (C) bodies of animals and plants are made up of cells

30 / 30

30)

Which organelle is present inside another organelle –
-

A) Golgi bodies -

B) Ribosome

C) Chloroplast

D) Mitochondria

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BOTANY : Cell & Molecular Biology

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