List of top Biology Questions

What type of relationship exists between sea anemones and clownfish?

Cerebrospinal fluid (CSF) uses were given below. Identify the incorrect use by eliminating it.

Which of the following is a function of the hypothalamus?

How many DNA copies are produced after five cycles of PCR (Polymerase Chain Reaction)?

Which enzyme converts trypsinogen into trypsin?

Which of the following is an essential amino acid?

Who first identified the transforming principle?

What is the transforming principle in Griffith's experiment?

When a stem of a plant is cut a few inches above the soil and xylem sap is seen flowing out through the cut end, this exudation is considered evidence for the existence of root pressure. Who proposed the theory of root pressure?

Which of the following statements is correct regarding the number of codons and their degeneracy?

Which of the following statements about pollen grains is incorrect?

Which of the following enzymes is secreted by the urinary bladder?

In males, the penis is analogous to which structure in females?

Which of the following factors ensures that coding for the same amino acid, such as methionine and valine, using identical anticodons remains non-ambiguous?

Which of the following statements best describes the relationship between the hormones ANF and Angiotensin 2 in terms of their physiological effects on the body?

Bond present between two nucleotides on a single strand of DNA is:

Which of the following flowers is most likely to be pollinated by birds?

Correct sequence in water absorption by root hairs.

How many steps are there in the process of glycolysis, the metabolic pathway that converts glucose into pyruvate?

Which microorganism is used in yoghurt production?

Which of the following techniques is commonly used to introduce herbicide resistance into plants?

Which of the following is an example of an outbreeding device in plants?

Theca interna releases which hormone?

Total genetic content of an organism is called: