Biology Questions

In host endoplasmic reticulum ________.

Which of the following statements regarding photorespiration are correct? (a) Do not occur in C₃ plants (b) CO₂ is consumed and O₂ is generated (c) Phosphoglycolate is formed (d) No synthesis of ATP and NADPH Choose the correct answer from the option

Sphenopsida class belongs to ________.

Match List-I with List-II. List-I A. Marginal placentation B. Axile placentation C. Parietal placentation D. Free central placentation List-II I. Argemone II. Tomato III. Primrose IV. Pea Choose the correct answer from the options given below.

Arrange the following taxonomic categories in ascending order. (a) Genus (b) Order (c) Family (d) Species (e) Class (f) Phylum (g) Kingdom Choose the correct answer from the options given below.

Match List-I with List-II.List-I A. Family B. Genus C. Class D. Phylum E. Order List-II I. Sapindales II. Dicotyledonae III. Anacardiaceae IV. Angiospermae V. Mangifera Choose the correct answer from the options given below.

Which of the following statements is incorrect?

How many turns of Calvin cycle are required for the formation of three molecules of glucose?

The number of action potentials generated by parasympathetic nerve in a healthy human is ________ per minute.

Select the correct sequence of experiments that led to the gradual understanding of photosynthesis in green plants.

Which of the following are characteristic features of Solanaceae family? (a) Flowers are bisexual and actinomorphic (b) Calyx has five sepals and are united (c) Androecium have five stamens and are epipetalous (d) Ovary is inferior Choose the correct

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. Bacilli Choose the correct answer from the options given below.

Given below are two statements: Statement I: In gymnosperms, the male and female gametophytes remain within the sporangia. Statement II: In gymnosperms, seeds are not contained in fruit. In the light of the above statements, choose the most appropria

Which of the following plant growth regulator is used as herbicide?

How many molecules of pyruvic acid are produced at the end of glycolysis from 260 molecules of glucose?

Endomembrane system includes ________.

Given below are two statements: Statement I: When any plane passing through the central axis of the body divides the organism into two identical halves, it is called radial symmetry. Statement II: In phylum Echinodermata, both adults and larvae are r

Match List-I with List-II. [Image Here] Choose the correct answer from the options given below:

Phyllotaxy is the pattern of arrangement of ____.

Which of the following represents the correct sequence of arrangement of bones in the lower limb of humans?

In water, frogs respire using ____.

Which pigments has absorption peak at 700 nm in the photosynthetic reaction centre PS I (P700)?

Mad cow disease is caused by ____.

Photorespiration reaction catalyzed by RuBisCO is shown below. [Image Here] RubP + O₂ + 3-Phosphoglycerate + X Identify 'X' from the given options:

Which of the following statements related to pituitary gland are correct? (a) It is divided anatomically into adenohypophysis and neurohypophysis (b) It secretes follicle stimulating hormone (c) It secretes melanocyte stimulating hormone (d) It does

The plastid that stores xanthophyll is known as ________.

Match List-I with List-II. [List-I] A. Cristae B. Cisternae C. Thylakoids D. Phospholipid [List-II] I. Flat membrane sacs in stroma of chloroplast II. Infoldings in mitochondria III. Cell membrane IV. Disc-shaped sacs in the Golgi apparatus Choose th

Mitochondrial inner membrane encloses ________.

Which of the following is not a part of human central nervous system?

Which of the following are characteristics of prokaryotic cells? (a) Ribosomes are made of 50S and 30S subunits (b) They can have plasmids (c) They contain mesosome (d) They have peroxisomes Choose the correct answer from the options given below:

Cell theory was formulated by ________.

The association between fungi and algae are called ________.

The number of vertebrae in a human is ________.