List of top Biology Questions asked in CUET (UG)

If a man is eating fish as his food, which trophic level is occupied by him in the food chain?

Arrange the following groups of plants according to their appearance on earth.
(A) Angiosperms
(B) Seed ferns
(C) Rhynia type plants
(D) Psilophyton

The number of individuals in the reproductive age group is more than the number of individuals in the pre-reproductive age group, the shape of its age pyramid would reflect the growth status of the population as:

Which of the following statements are true with reference to homology or homologous organs?
(A) Homology indicates common ancestry.
(B) Whale and Cheetah share similarities in the pattern of the bones of the forelimbs.
(C) Vertebrate heart is an example of homologous organs.
(D) Thorn of Bougainvillea and tendrils of cucurbita represent homology.

Baculoviruses are pathogens that attack:

Which of the following steps are related to polymerase chain reaction (PCR)?
(A) Extension
(B) Annealing
(C) Propagation
(D) Denaturation

Arrange the following geological periods in their occurrence from latest to oldest order.
(A) Triassic
(B) Carboniferous
(C) Tertiary
(D) Jurassic

Arrange the given steps involved in gel electrophoresis used for separation of DNA fragments?
(A) Exposure to UV light
(B) Staining with ethidium bromide
(C) Moving of DNA fragments towards anode
(D) Elution

EcoRI, a significant tool in rDNA technology is -

Which of the following is incorrect with reference to drug abuse?

Which one of the following options will express intermediate skin colour in an individual?

Which of the following disorders are the results of aneuploidy? (A) Haemophilia
(B) Down’s Syndrome
(C) Thalassemia
(D) Turner’s Syndrome

Which one of the following is not associated with the process of transcription in bacteria?

The process of copying genetic information from one strand of DNA into RNA is termed as -

Which type of innate immunity is exhibited by interferons secreted by virus-infected cells to protect non-infected cells?

Which of the following are not involved in intra uterine devices? (A) Lippes Loop
(B) LNG-20
(C) Saheli
(D) Implants

Which one of the following is opposite part of micropylary end of ovule?

Choose the correct equation from the following options to show the correct relationship between Gross Primary Productivity (GPP), Respirational Losses (R), and Net Primary Productivity (NPP).

Antibody molecule has:

Which one of the following guides the entry of the pollen tube into the embryo sac?

Which part of the nephron is primarily responsible for filtration of blood?

Which enzyme is responsible for the unwinding of DNA during replication?

Which of the following elements is essential for the synthesis of chlorophyll?

Which of the following is a pioneer species in primary succession on rocks?