List of top Biology Questions asked in Delhi UMET/DPMT

Taxonomic hierarchy refers to

Natural cytokinins are synthesized in tissue that are

The chromosome constitution $2n - 2$ of an organism represents

If the total amount of adenine and thymine in a double-stranded DNA is $60\%$, the amount of guanine in this DNA will be

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

Which one of the following would not lead to formation of clones?

The variation/difference in the off springs of a species from their parents constitutes an important component of

A plant species which has been exploited for the production of Hirudin is

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

Presence of bundle sheath is a characteristic of:

Necrosis in crops is due to the deficiency of

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

Blood cells involved in inflammatory reactions are

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

Typhoid fever is caused by a species of

The beginning of understanding genetic transformation in bacteria was made by

The source of Taq polymeraise used in $PCR$ is a

Microfilaments in eukaryotic cells are made up of

Okazaki is known for his contribution to the understanding of

Bell-shaped polygonal pyramid indicates

Apoplastic movement of water in plants occurs through

A pea plant parent having violet-coloured flowers with unknown genotype was crossed with a plant having white-coloured flowers. In the progeny, $50\%$ of the flowers were violet and $50\%$ were white. The genotypic constitution of the parent having violet-coloured flowers was

A group of interconnected genera is called

Trichoderma species are potentially useful as