Biology Questions Answers MCQ for various exams like SSC CGL, CPO, CHSL, High Court and other related exams.
- Plants which flower only once in their lifetime are called
A) polycarpic
B) monocarpic
C) monogamous
D) monogeneric
- The larvae of cockroach is called
A) caterpillar
B) nymph
C) maggot
D) grub
- In which of the following animals is open circulatory system found
A) prawn
B) earthworm
C) toad
D) man
- Blood fails to clot while flowing in the blood vessel due to the presence of
A) heparin
B) prothrombin
C) haemoglobin
D) hirudin
- The main function of insulin is to
A) maintain blood pressure
B) help digestion
C) control sugar level in body
D) control iodine level in body
- Flowerless plants are termed as
A) phanerogams
B) bryophytes
C) thallophytes
D) cryptogams
- Environmental pollution can be controlled by
A) checking atomic blast
B) manufacturing electric vehicles
C) sewage treatment
D) all of above
- The only plant cells without nuclei among the following are
A) cambium cells
B) root hairs
C) companion cells
D) tracheid cells
- Jaws are absent in
A) birds
B) fishes
C) protochordates
D) reptiles
- Which one of the following is an indicator of air pollution?
A) cycas
B) algae
C) bryophytes
D) lichens
