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विषयों/अध्यायों के लिए अभ्यास टेस्ट

Human Physiology (155) Genetics And Evolution (85) Molecular Basis Of Inheritance (72) Plant Physiology (65) Cell Structure And Function (64) Ecology And Environment (64) Diversity In Living World (36) Biotechnology (32) Biological Classification (31) Cell Cycle And Cell Division (29) The Cell Unit Of Life (29) Biotechnology And Its Applications (28) Reproduction (28) Biology And Human Welfare (27) Plant Kingdom (25) Ecosystem (24) Sexual Reproduction In Flowering Plants (22) Organisms And Population (22) Human Health And Diseases (21) Human Reproduction (20) Respiration In Plants (19) Biomolecules (18) Evolution (18) Plant Growth And Development (18) Photosynthesis In Higher Plants (18) Principles Of Inheritance (16) The Living World (16) Locomotion And Movement (14) Chemical Coordination And Integration (13) Structural Organisation (13)

नमूना प्रश्न

NEET Biology
Which of the following is a correct match between the hormone and its source gland?
A Adrenaline — Pancreas
B Oestrogen — Pituitary gland
C Thyroxine — Thyroid gland
D Insulin — Adrenal cortex
NEET Biology
Which class of algae is responsible for the red coloration of deep ocean regions where light penetration is minimal?
A Chlorophyceae
B Phaeophyceae
C Rhodophyceae
D Cyanophyceae
Class 12 Biology
A normal vision man (whose father was colour blind) marries a colour blind woman. What proportion of their male children will be colour blind:
A 50%
B 100%
C 0%
D 25%
NEET Biology
After ovulation, the ruptured Graafian follicle transforms into the corpus luteum. What is the primary function of the corpus luteum?
A Secretion of estrogen only to prepare the endometrium for implantation
B Secretion of progesterone to maintain the endometrium for potential pregnancy
C Production of oocytes for the next menstrual cycle
D Secretion of hCG to support the ovarian cycle
NEET Biology
Brown algae (Phaeophyceae) contain which pigment that gives them their characteristic brown color?
A Fucoxanthin
B Phycoerythrin
C Vexanthin
D Chlorophyll b only
Class 11 Biology
Which of the following best describes the alternation of generations in plants?
A The life cycle alternates between a multicellular haploid gametophyte and a multicellular diploid sporophyte
B The plant alternates between summer and winter forms
C The plant alternates between vegetative and reproductive phases only
D There is no alternation; plants are always diploid
Class 12 Biology
The chemiosmotic theory of ATP synthesis in mitochondria proposes that ATP is generated because:
A Proton (H⁺) gradient across the inner mitochondrial membrane provides potential energy that drives ATP synthase to phosphorylate ADP
B Electrons directly transfer phosphate groups to ADP during their passage through cytochrome c oxidase
C NADH donates phosphate groups directly to ADP while releasing energy through oxidation
D Oxygen binds to ADP and catalyses the formation of ATP through a direct chemical reaction
NEET Biology
How many ATP molecules are produced from one molecule of glucose during aerobic respiration (net gain)?
A 2 ATP
B 36 ATP
C 38 ATP
D 34 ATP

About Biology Mock Tests

Biology covers anatomy, genetics, ecology, cell biology, physiology, botany, zoology, and life sciences across all class levels and competitive examinations. Practice with comprehensive biology questions aligned with NCERT curriculum and NEET exam pattern, covering topics from cell structure to ecosystems, human physiology to biotechnology.

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