Options:
- A. Newts
- B. Varanope
- C. Dipnoi
- D. Hagfishes
View Answer
C. Dipnoi
Biology
It is possible to date the rocks by comparing the amount of specific radioactive isotopes they contain. Which of the statement is correct in this respect:
Options:
- A. Older sediment layers have equal amount of these reaioactive isotopes as that of the young ones
- B. Older sediment layers have less amount of these reaioactive isotopes as that of the young ones.
- C. Older sediment layers have greater amount of these radioactive isotopes as that of the young ones.
- D. Older sediment layers did not have these radioactive isotopes
View Answer
B. Older sediment layers have less amount of these reaioactive isotopes as that of the young ones.
Enterobius vermicularis is commonly known as____________?
Options:
- A. Flatworm
- B. Pinworm
- C. Hook worm
- D. Tapeworm
View Answer
B. Pinworm
Reverse transcriptase is present in____________?
Options:
- A. All RNA viruses
- B. All DNA viruses
- C. All retroviruses
- D. All viruses
View Answer
C. All retroviruses
Red to orange pigments are_____________?
Options:
- A. Carotenes
- B. Carotenoids
- C. Xanthophylls
- D. Chlorophyll
View Answer
A. Carotenes
Destruction of all life forms is called___________?
Options:
- A. Sterilization
- B. Disinfection
- C. Antisepsis
- D. Preservation
View Answer
A. Sterilization
Animals of which class of arthropoda are present everywhere_____________?
Options:
- A. Crustacean
- B. Insecta
- C. Arachnida
- D. Myriapoda
View Answer
B. Insecta
Pox viruses are_________?
Options:
- A. RNA non-enveloped
- B. RNA enveloped
- C. DNA non-enveloped
- D. DNA enveloped
View Answer
D. DNA enveloped
Gaseous exchange in birds occurs at level of_______________?
Options:
- A. Alveoli
- B. Air sacs
- C. Bronchi
- D. Parabronchi
View Answer
D. Parabronchi
Pollen grains in pinus have __________ for dispersal through wind?
Options:
- A. Flagella
- B. Cilia
- C. Wings
- D. Feathers
View Answer
C. Wings