X = PH₃ acts as a lewis base

Y = Covalancy of F is 03 in FCl₃

Heat is being supplied at a constant rate to a sphere of ice which is melting at the rate of 0.1 gram / sec

Now it melts completely in 100 sec . The rate of rise of temperature will be =

The endomembrane system of a eukaryotic cell does not include:

1. Endoplasmic reticulum 2. Lysosome 3. Vacuole 4. Peroxisome

Pyq based -

What is false about - " Alstonia " ?

What is not true for genetic code?

The organisms which cause diseases in plants and animals are called :-

X = Couple do not use device in natural methods for conception

Y = In natural method , couple mainly avoid the sexual intercourse from day 10 to 17 of menstrual cycle

A. 2 identical spheres are placed 1m apart. A point object placed at midpoint along line joining their centres will be in unstable equilibrium
B. If 0 of potential energy is at ♾️ then total energy of orbiting satellite is negative of potential energy

Biology =

What is wrong for true breeding .?

In octahedral complex central metal ion is Fe{+3} .
In presence of strong field ligand it shows
paramagnetic character due to presence of :

Number of chiral carbon 8n = 1 - chloro - 3 - methyl cyclo hexane

Question =

Number of total meosis required for formation of 63 seeds =

During microsporogenesis , which phase of mitosis is crutial for formation of microspore tetrad ?

Statement-I : Hot water is less viscous than of cold water.

Statement-II: Surface tension of soap bubble is more than that of a drop of water.

A plano-convex lens of unknown material and unknown focal length is given. With the help of a spherometer we can measure the

In half wave rectification, if the input frequency is 60 Hz, then the output frequency would be

A tank is filled with water to a height of 12 cm. The apparent depth of a needle lying at the bottom of needle lying at the the tank is measured by a microscope to be 9 cm. What is the refractive index of water?

A SPIROMETER CAN'T BE USED TO MEASURES

Replication of DNA in S phase results in

1. Production of identical sister chromatids 2. Production of identical homologous chromosomes 3. Production of non-sister chromatids 4. Production of non-identical chromosomes

1] ᴄᴏʟᴏsᴛʀᴜᴍ ɪs ᴀ ᴠᴇʀʏ ᴇғғɪᴄɪᴇɴᴛ ᴍᴇᴀɴs ᴏғ ᴛʀᴀɴsғᴇʀʀɪɴɢ ɪᴍᴍᴜɴɪᴛʏ ᴛᴏ ᴀ ɴᴇᴡʙᴏʀɴ .

2] ɪɢM ғʀᴏᴍ ᴍᴏᴛʜᴇʀ's ᴍɪʟᴋ ᴘʀᴏᴛᴇᴄᴛs ᴛʜᴇ ʙᴀʙʏ ғʀᴏᴍ ʀᴇsᴘɪʀᴀᴛᴏʀʏ ɪɴғᴇᴄᴛɪᴏɴs ᴜsᴜᴀʟʟʏ ᴀғғᴇᴄᴛɪɴɢ ɪɴ ʏᴏᴜɴɢ ᴀɢᴇ .