Options:
- A. U
- B. R
- C. Y
- D. Fork
View Answer
C. Y
Biology
Protonema is___________?
Options:
- A. Thallus like
- B. Algae like
- C. Fungus like
- D. Plant like
View Answer
B. Algae like
Chlorosis, i.e., yellowish hue on the leaves results from_____________?
Options:
- A. Accumulation of toxic waste products in leaves.
- B. Deficiency of chlorophyll.
- C. Short supplies of mineral nutrients in the soil.
- D. All of these
View Answer
D. All of these
Which of the following statement about neuron is incorrect___________________?
Options:
- A. They not only conduct impulses but also generate them
- B. They are not the only cellular component of nervous system
- C. They may show limited regenerative capabilities
- D. Like all the living cell, when they mature and divide to form similar cells
View Answer
D. Like all the living cell, when they mature and divide to form similar cells
Maximum speed of nerve impulse transmission is____________?
Options:
- A. 100 m/sec
- B. 110 m/sec
- C. 120m/sec
- D. 130 m/sec.
View Answer
C. 120m/sec
Central nervous system of man consists of______________?
Options:
- A. Brain
- B. Spinal cord
- C. Both of these
- D. none of these
View Answer
C. Both of these
Which of the following structure primarily helps in attachment of bacteria on various surfaces____________?
Options:
- A. Flagella
- B. Pili
- C. Both of these
- D. None of these
View Answer
B. Pili
The name animal is derived from the word__________?
Options:
- A. Anima
- B. Anemia
- C. Aname
- D. All of these
View Answer
A. Anima
A sponge of Antarctica which is more than a meter tall is____________?
Options:
- A. Scolymastra joubini
- B. Euplectella
- C. Spongilla
- D. Leucoselenia
View Answer
A. Scolymastra joubini
Of the following which one is not the characteristic of Kingdom Animalia.
Options:
- A. All animals are ingestive heterotrophs
- B. All animals are eukaryotes
- C. All animals develop from the dissimilar gametes i.e. large sperm and small egg.
- D. It is largest kingdom.
View Answer
C. All animals develop from the dissimilar gametes i.e. large sperm and small egg.