The most active phagocytic white blood cells are:-

Which of the following statement is correct?
[AIPMT-1997]

𝑄𝑢𝑒𝑠𝑡𝑖𝑜𝑛 =

A man of 50 kg mass is standing in a gravity free space at a height of 10 m above floor . He throws a stone of 0.5 kg mass downwards with à speed 0.2 m/sec .When the stone reaches the floor , the distance of man above the floor =

A block of mass 1 kg is kept on a 2 kg plank, coeff of Kinetic friction between them is 0.4. Block starts moving with a speed of 6 m/s². What is final work done by this kinetic friction on system ? Plank rests on a smooth surface initially.

Person A of mass 50 kg is facing another person B of mass 40 kg, both standing on a frictionless surface. A pushes B such that relative velocity of B wrt A is 3.6 m/s. Velocity of person A wrt surface ?

Interfasicular cambium develops from the cells of =

Find out correct statement about xylem fibre =

In the modern periodic table, the elements are arranged in order of increasing:

A particle attached to a string performs vertical ucm, at highest point of its motion it breaks off, then it's motion after it breaks off-

2 persons A and B of mass 40 kg and 20 kg are standing on 2 ends of a boat of mass 100 kg and length 10 m. If they exchange positions then what is the displacement of person B ? [ Fluid is non viscous ]

Which is wrong = ( about sclerenchyma ) -

📚Which period is dubbed as the age of prokaryotic microbes?

📚Hydrolytic enzymes are abundant in

📚The photosynthetic units are known as

If the length of a DNA molecule is 136 nm then what will be the number of base pair in it?

𝕏 = Scrotum is a outpouching fibromuscular sac

𝕐 = Scrotum houses ( contains ) testes only

If a primary spermatogonium divides 5 times mitotically , then number of primary spermatocyte =

X = Each ovary is covered by a thick epithelium which enclose the ovarian stroma .

Y = Corpus luteum requires LH to function and secretes progesterone to maintain endometrium .

X = Sperms aquire some motility only before passing through epididymis

Y = Volume of semen decrease with rapid ejaculations

Indole-3-acetic acid is the most common naturally occurring plant hormone of ___ class
(a) Gibberellin
(b) Auxin (c) Ethylene (d) Cytokinin