NEET 2020-Biology

Question 1

The specific palindromic sequence which is recognized by EcoRI is

Question

The specific palindromic sequence which is recognized by EcoRI is (1) 5'- GGAACC - 3' 3'- CCTTGG - 5'(2) 5'- CTTAAG - 3'3'- GAATTC - 5'(3) 5'- GGATCC - 3'3'- CCTAGG - 5'(4) 5'- GAATTC ...

Question 2

The plant parts which consist of two generations – one within the other

Question

The plant parts which consist of two generations - one within the other (a) Pollen grains inside the anther(b) Germinated pollen grain with two male gametes(c) Seed inside the fruit(d) Embryo sac inside the ovule

Question 3

Some dividing cells exit the cell cycle and enter vegetative inactive stage. This is called quiescent stage (G0). This process occurs at the end of

Question

Some dividing cells exit the cell cycle and enter vegetative inactive stage. This is called quiescent stage (G0). This process occurs at the end of (1) G1 phase (2) Sphase (3) G2 phase (4)M ...

Question 4

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

Question

Match the trophic levels with their correct species examples in grassland ecosystem. (a) Fourth trophic level(i) Crow(b) Second trophic leve(ii) Vulture(c) First trophic level(iii)Rabbit(d) Third trophic level(iv) Grass Select the correct ...

Question 5

Select the correct statement.

Question

Select the correct statement.(1) Glucagon is associated with hypoglycemia.(2) Insulin acts on pancreatic cells and adipocytes.(3) Insulin is associated with hyperglycemia.(4) Glucocorticoids stimulate gluconeogenesis

Question 6

The body of the ovule is fused within the funicle at

Question

The body of the ovule is fused within the funicle at (1) Micropyle (2) Nucellus(3) Chalaza (4) Hilum

Question 7

Identify the incorrect statement

Question

Identify the incorrect statement. (1) Sapwood is involved in conduction of water and minerals from root to leaf(2) Sapwood is the innermost secondary xylem and is lighter in colour(3) Due to deposition of tannins, resins, ...

Question 8

Match the following columns and select the correct option.

Question

Match the following columns and select the correct option. Column-IColumn-II(a) Floating Ribs(i) Located between second and seventh ribs(b) Acromion(ii) Head of the Humerus(c) Scapula(iii) Clavicle(d) Glenoid cavity(iv) Do not connect with the sternum

Question 9

Match the following columns and select the correct option.(a) Placenta (i) Androgens (b) Zona pellucida (ii) Human Chorionic Gonadotropin (hCG)

Question

Match the following columns and select the correct option. Column-I Column-II (a) Placenta (i) Androgens (b) Zona pellucida (ii) Human Chorionic Gonadotropin (hCG) (c) Bulbo-urethral (iii) Layer of the ovum glands (d) Leydig cells (iv) Lubrication of the Penis (a) (b) (c) (d) (1) (i) (iv) (ii) (iii) (2) (iii) ...

Question 10

The sequence that controls the copy number of the linked DNA in the vector, is termed

Question

The sequence that controls the copy number of the linked DNA in the vector, is termed (1) Ori site (2) Palindromic sequence (3) Recognition site (4) Selectable marker Solution: (1) The ori is the place where DNA replication begins, enabling a plasmid to reproduce itself as it ...

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NEET 2020-Biology