List of practice Questions

If two pea plants having red (dominant) coloured flowers with unknown genotypes are crossed, $75\%$ of the flowers are red and $25\%$ are white. The genotypic constitution of the parents having red coloured flowers will

A population growing in a habitat with limited resources shows four phases of growth in the following sequence.

Necrosis in crops is due to the deficiency of

Presence of bundle sheath is a characteristic of:

Blood cells involved in inflammatory reactions are

When there are two haploid nuclei per cell in some fungi before the formation of diploid, this stage is called

In blood group typing in human, if an allele contributed by one parent is $I^{4}$ and an allele contributed by the other parent is $i$ , the resulting blood group of the offspring will be

Angle between wave velocity and particle velocity of a longitudinal wave is

An observer moves towards a stationary source of sound with a velocity that is one-fifth the velocity of sound. The apparent change in frequency is

The actively moving organisms in aquatic ecosystem is

A plant cell become turgid due to

In $C_{4}$ plants, the bundle sheath cells

The amount of CSF in the cranial cavity is

ACTH is secreted from

Difference in gram positive and gram negative bacteria is due to

Name the hormone that has no role in menstruation.

Sickle cell anaemia is

The inherent maximum capacity of an organism to reproduce or increase in number is called as

The largest phase of meiosis-I is

Which organic compound is produced by fermentation and is used to replace fossil petrol ?

The formation of pericarp takes place from

Which nomenclature was given by Linnaeus ?

Arrange the following in ascending order of Linnaean hierarchy

The inflorescence in cauliflower is

Thalamus of hypogynous ovary is