Class 12 Biology 2019 Local MCQs Test

In the absence of oxygen in the soil, which of the following bacteria break down nitrate releasing nitrogen back into the atmosphere using oxygen for their own respiration?

Which of the following is the function of thermocycler?

The type of urinary tract infection in which kidneys are particularly infected is called:

Which of the following components of the nervous system are NOT involved in the reflex arc?

Which of the following combination of events is related to the inspiration phase of breathing?

      Diaphragm ——— External intercostal muscles —— Internal intercostal muscles

When an animal learns the same response for two different stimuli which are given to the animal simultaneously it is called:

Infundibulum is the stalk, composed of blood vessels and the fibres of neurosecretory cells, by which:

Insulin promotes all of the following events EXCEPT:

During embryonic development all of the following parts have been developed from neural crest cell EXCEPT:

Which of the following terms can be used for the axon fiber of a neuron?

After ovulation, the ruptured follicle is transformed into a glandular structure called:

Mr. James has an A+ve blood group while his wife has A-ve, they have one child, who has an O-ve blood group. What is the probability of O+ve daughter in the next pregnancy?

In Morgan’s experiment, what was the F₂ ratio of cross between F₁ male and female flies having long wing, broad abdomen phenotypes?

Which of the following is the precipitate produced by sewage treatment?

Which of the following is correct about the nucleotide sequence TATAAT?

Which of the following is represented by "1” in the given equation (p²+2pq+q²=1)?

Which of the following pairs of ribs are called floating ribs?