List of top Biology Questions asked in NEET (UG)

The transverse section of a plant shows following anatomical features: 
(a) Large number of scattered vascular bundles surrounded by bundle sheath. 
(b) Large conspicuous parenchymatous ground tissue. 
(c) Vascular bundles conjoint and closed. 
(d) Phloem parenchyma absent. 
Identify the category of plant and its part

Name the plant growth regulator which upon spraying on sugarcane crop, increases the length of stem, thus increasing the yield of sugarcane crop.

Secondary metabolites such as nicotine, strychnine and caffeine are produced by plants for their :

Match the following concerning essential elements and their functions in plants:

a	Iron	i	Photolysis of water
b	Zinc	ii	Pollen germination
c	Boron	iii	Required for chlorophyll biosynthesis
d	Manganese	iv	IAA biosynthesis

Match the following columns and select the correct option.

If the distance between two consecutive base pairs is 0.34nm and the total number of base pairs of a DNA double helix in a typical mammalian cell is $6.6 \times 10^9$ bp, then the length of the DNA is approximately:

Select the option including all sexually transmitted diseases.

Identify the correct statement with reference to human digestive system.

Which one of the following is the most abundant protein in the animals ?

Identify the substances having glycosidic bond and peptide bond, respectively in their structure :

Which is the important site of formation of glycoproteins and glycolipids in eukaryotic cells ?

Match LIST I with LIST II

Column I		Column II
A	Eosinophils	I	Immune response
B	Basophils	II	Phagocytosis
C	Neutrophils	III	Release histaminase, destructive enzymes
D	Lymphocytes	IV	Release granules containing histamine

Identify the wrong statement with reference to immunity.

Name the enzyme that facilitates opening of DNA helix during transcription.

Which of the following is put into Anaerobic sludge digester for further sewage treatment?

The size of Pleuropneumonia - like Organism (PPLO) is :

Which of the following statements about inclusion bodies is incorrect ?

Presence of which of the following conditions in urine are indicative of Diabetes Mellitus ? (1) Uremia and Ketonuria (2) Uremia and Renal Calculi (3) Ketonuria and Glycosuria (4) Renal calculi and Hyperglycaemia

Which of the following would help in prevention of diuresis ?

Which of the following statements is not correct?

Match the following with respect to meiosis: 

a	Zygotene	i	Terminalization
b	Pachytene	ii	Chiasmata
c	Diplotene	iii	Crossing over
d	Diakinesis	iv	Synapsis

Select the correct option from the following:

Which of the following statements is correct?

The body of the ovule is fused within the funicle at :

Match the trophic levels with their correct species examples in grassland ecosystem.

	Column I		Column II
A	Fourth trophic level	I	Crow
B	Second trophic level	II	Vulture
C	First trophic level	III	Rabbit
D	Third tropical level Third tropical level	IV	Grass

Snow-blindness in Antarctic region is due to :