Options:
- A. Diatoms
- B. Dinoflagellates
- C. Slime moulds
- D. None of these
View Answer
A. Diatoms
Biology
In which phase of cell cycle cell organelles are formed?
Options:
- A. S Phase
- B. G1 Phase
- C. G2 Phase
- D. G0 Phase
View Answer
C. G2 Phase
Which one of these structures involved in replication of bacterial dna?
Options:
- A. chromosomes
- B. pilli
- C. plasmid
- D. mesosome
View Answer
D. mesosome
Earthworm lives in___________?
Options:
- A. sea water
- B. moist soil
- C. fresh water
- D. none of these
View Answer
B. moist soil
Malarial parasite is injected into man as__________?
Options:
- A. sporozoites
- B. merozoites
- C. zygote
- D. none of these
View Answer
A. sporozoites
which of the following hepatitis is more contagious ?
Options:
- A. HAV
- B. HBV
- C. HCV
- D. HDV
View Answer
C. HCV
Under unfavourable conditions, the Amoeba reproduces by ________ ?
Options:
- A. Binary fission
- B. Conjugation
- C. Encystment
- D. Endomixis
View Answer
C. Encystment
All are functions of hypothalamus, but, _________ ?
Options:
- A. Regulation of body temperature
- B. Regulation of anti-diuretic hormones
- C. Regulation of sleep and emotions
- D. Regulation of blood osmotic pressure
View Answer
B. Regulation of anti-diuretic hormones
Fishes, most of the invertebrates and amphibians are examples of ________ animals?
Options:
- A. Endotherms
- B. Ectotherms
- C. Heterotherms
- D. Homeotherms
View Answer
B. Ectotherms
In animals excess of nitrogen is excreted primarily in form of___________?
Options:
- A. Creatinine
- B. Trimethyamine oxide
- C. Pyrimidine
- D. Ammonia
View Answer
D. Ammonia