(a) M Miser
(b) Watson
(c) Creek
(d) Manson
Answer-(a) M Misser
A unit of DNA is called- [D.U. 2001-02]
(a) Peptides
(b) Polynucleotide
(c) polypeptide
(d) Nucleotides
Ans-(d) Nucleotide
Who discovered chromosomes? [D.U. 2001-02]
(a) Strasbourg
(b) Robert Brown
(c) Robert Hooke
(d) Waldeyer
Answer-(a) Strasbourg
How many layers are there in the plasma membrane? [D.U. 2000-01]
(a) 1
(b) 2
(c) 3
(D) 4
Answer (b) 2
Which cells contain mesosomes? [D.U. 1999-2000]
(a) Algae
(b) Fungi
(c) Bacteria
(d) Moss
Answer (c) Bacteria
Discovered and named cells- [D.U. 1999-2000]
(a) Robert Hooke
(b) Johnson
(c) Leuven Hook
(d) Robert Brown
Answer-(a) Robert Hooke
Definite nucleus absent- [D.U. 1998-99]
(a) Fungi
(b) In algae
(c) In bacteria
(d) In plants
Answer-(c) In bacteria
Which organelle produces meat? [D.U. 1997-98]
(a) Mitochondria
(b) Ribosome
(c) Plastid
(d) Golgibody
Answer (b) Ribosome
Absent in primordia- [D.U. 1997-98]
(a) Cell membrane
(b) Nucleus
(c) Ribosome
(d) DNA
Answer (b) Nucleus
The main function of mitochondria is- [D.U. 1997-98]
(a) Preparation of food
(b) Emitting waste
(c) To produce energy
(d) Storing food
Answer-(c) To produce energy