List of top Biology Questions asked in CUET (UG)

Which of the following organelles is involved in the synthesis of proteins?

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

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?

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

Choose the correct statements with respect to decomposition from the following:
(A) Decomposition is an anaerobic process.
(B) Decomposition rate of detritus depends upon the chemical nature of it.
(C) Water-soluble organic nutrients go into the soil and get precipitated in the process of leaching.
(D) Humification follows mineralisation.
Choose the correct answer from the options given below:

Select the correctly matched pair about sickle cell anaemia:
Genotype: Phenotype
(A) Hb^A Hb^A : Diseased phenotype
(B) Hb^A Hb^S: Diseased phenotype
(C) Hb^S Hb^S: Diseased phenotype
(D) Hb^S Hb^A : Carrier of disease
Choose the correct answer from the options given below:

Cells present in the mature pollen grains are___:

In the given pedigree chart, ‘P’ is a female suffering from a disease, which is denoted by ‘A’ (dominant allele) and ‘a’ (recessive allele). Find the genotype of ‘P’.

Which of the following is not the correctly matched pair of organism and its respective cell wall degrading enzyme?

Which of the following statements are incorrect with respect to nucleotides?
(A) Purines and pyrimidines are nitrogenous bases.
(B) Nucleotides are non-enzymatic molecules.
(C) Phosphate group is linked to – OH of 5′ C of a nucleoside through phosphoester linkage.
(D) In RNA, every nucleotide residue has an additional – OH group present at 2′ position in the ribose.
(E) Thymine is an example of Pyrimidine.
Choose the correct answer from the options given below:

Identify the incorrect statement/s:
(A) Intestinal perforation and death may occur in severe cases of typhoid infection.
(B) Common cold is caused by Rhinoviruses.
(C) Lips and fingernails may turn grey to bluish colour in severe cases of pneumonia.
(D) Pneumonia is caused by Salmonella.
(E) Typhoid fever could be confirmed by Widal test.
Choose the correct answer from the options given below:

Which of the following statements are true?
(A) Milk obtained from ‘Rosie’ is nutritionally more balanced for human babies than natural human milk.
(B) Biopiracy refers to the use of bioresources without proper authorization from MNCs.
(C) GEAC is the decisive body for safety and validity of GMOs and GM research respectively.
(D) Transgenic animals help us to understand the contribution of genes in the development of disease.
Choose the correct answer from the options given below:

Analogous structures are a result of:

Select the observations drawn from the human genome project which are correct.
(A) The human genome contains 3164.7 million bp.
(B) The average gene consists of 3000 bases.
(C) Total number of genes is estimated at 30,000.
(D) The functions are unknown for over 50% of discovered genes.
(E) Less than 2% of the genome codes for proteins.