(A) Aquatic
(B) Terrestrial
(C) Amphibious
(D) None of these
Answer:
Sporophyte is dependent on gametophyte in—
(A) Algae
(B) Pteridophyta
(C) Fungi
(D) Bryophyta
Answer:
In gametophytic phase of Bryophyta the last cell is—
(A) Gamete
(B) Spore
(C) Elater
(D) Zygote
Answer:
In Funaria, the calyptra is formed by—
(A) Antheridium
(B) Columella
(C) Capsule
(D) Archegonium
Answer:
A bryophyte differes from pteridophyte in—
(A) Archegonia
(B) Lack of vascular tissue
(C) Independent gametophyte
(D) None of these
Answer:
Acid rain is mainly a mixture of—
(A) Sulphuric acid and nitric acid
(B) Hexane and methane
(C) Acetic acid and bromine
(D) Ascorbic acid and citric acid
Answer:
Ribosomes are sites for—
(A) Protein synthesis
(B) Photosynthesis
(C) Fat synthesis
(D) Respiration
Answer:
Pyramid of energy is—
(A) Alwayss inverted
(B) Always upright
(C) Sometimes inverted and sometimes upright
(D) None of these
Answer:
ATP is—
(A) An enzyme which brings about oxidation
(B) A hormone
(C) A molecule with high energy phosphate bond
(D) A protein
Answer:
Which one of the following is not a feature of prokaryotic cell ?
(A) Absence of nuclear membrane and the nucleus
(B) Absence of cell organelles
(C) Absence of genetic material
(D) Absence of histone protein in the chromosome
Answer: