Options:
- A. Muscles
- B. Glands
- C. Sensory organs
- D. Both
View Answer
D. Both
Biology
Extremely long molecule of DNA that is tightly folded to fit inside the cell component is called_____________?
Options:
- A. Nucleus
- B. Chromosome
- C. Chromatid
- D. Chromatin body
View Answer
D. Chromatin body
In acoelomates gut is ________ in origin.
Options:
- A. Ectodermal
- B. Endodermal
- C. Mesodermal
- D. None of these
View Answer
B. Endodermal
The single main opening of the sponge cavity is____________?
Options:
- A. Osculum
- B. Ostia
- C. Spongocoel
- D. None of these
View Answer
A. Osculum
All of the following coelenterates show alternation of generation except:
Options:
- A. Hydra
- B. Obelia
- C. Aurelia
- D. None of these
View Answer
A. Hydra
The resolving power of electric microscope is____________?
Options:
- A. 0.2 mm
- B. 0.2 nm
- C. 0.2 m
- D. none of these
View Answer
B. 0.2 nm
Which of the following is an example of the living member of Psilopsida________________?
Options:
- A. Rhynia
- B. Psilophyton
- C. Psilotum
- D. Cooksonia
View Answer
C. Psilotum
Ground pries are also known as___________?
Options:
- A. Lycopods
- B. Spike mosses
- C. Both of these
- D. None of these
View Answer
C. Both of these
In Hornworts the band of meristematic tissue is found near_____________?
Options:
- A. Foot
- B. Gamete producing region
- C. Spore producing region
- D. At junction of A & B
View Answer
D. At junction of A & B
The only promoter of leaf senescence in the following plant hormones is________________?
Options:
- A. Gibberellins
- B. Cytokinins
- C. Auxins
- D. Abscisic Acid
View Answer
D. Abscisic Acid