Biology questions
20584 published questions with worked solutions.
- The plastid that stores xanthophyll is known as _____.
- Which of the following statements related to pituitary gland are **correct**? (a) It is divided anatomically into adenohypophysis...
- Mad cow disease is caused by _____.
- Which pigment has absorption peak at 700 nm in the photosynthetic reaction centre PS I (P700)?
- In water, frogs respire using _____.
- Which of the following represents the correct sequence of arrangement of bones in the lower limb of humans?
- Phyllotaxy is the pattern of arrangement of _____.
- Given below are two statements : Statement I : When any plane passing through the central axis of the body divides the organism...
- Endomembrane system includes _____.
- How many molecules of pyruvic acid are produced at the end of glycolysis from 206 molecules of glucose?
- Which of the following plant growth regulators is used as herbicide?
- Given below are two statements: Statement I: In gymnosperms, the male and female gametophytes remain within the sporangia....
- Match **List-I** with **List-II**. List-I A. Spherical B. Rod C. Comma D. Spirillum List-II I. Vibrio II. Cocci III. Spirilla IV....
- Which of the following are characteristic features of Solanaceae family? (a) Flowers are bisexual and actinomorphic (b) Calyx...
- Select the correct sequence of experiments that led to a gradual understanding of photosynthesis in green plants.
- The number of action potentials generated by sino-atrial node (SAN) in a healthy human is _____ per minute.
- How many turns of Calvin cycle are required for the formation of three molecules of glucose?
- Match **List-I** with **List-II**. List-I A. Family B. Genus C. Class D. Phylum E. Order List-II I. Sapindales II. Dicotyledonae...
- Arrange the following taxonomic categories in ascending order. (a) Genus (b) Class (c) Order (d) Phylum (e) Family (f) Kingdom...
- Match **List-I** with **List-II**. List-I A. Marginal placentation B. Axile placentation C. Parietal placentation D. Free central...