List of practice Questions

Deficiency symptoms of nitrogen and potassium are visible first in:

Dr. F. Went noted that if coleoptile tips were removed and placed on agar for one hour, the agar would produce a bending when placed on one side of freshly cut coleoptile stumps. What significance is this experiment of?

During which phase(s) of cell cycle, amount of DNA in a cell remains at 4C level if the initial amount is denoted as 2C?

Fight-or-flight reactions cause activation of:

Five kingdom system of classification suggested by R.H. Whittaker is not based on:

Forelimbs of cat, lizard used in walking; forelimbs of whale used in swimming and forelimbs of bats used in flying are an example of:

Fructose is absorbed into the blood through mucosa cells of intestine by the process called:

Fruit colour in squash is an example of:

Function of filiform apparatus is to:

Given below is a simplified model of phosphorus cycling in a terrestrial ecosystem with four blanks (A-D). Identify the blanks.

How do parasympathetic neural signals affect the working of the heart?

Identify the hormone with its correct matching of source and function:

If 20 J of energy is trapped at producer level, then how much energy will be available to peacock as food in the following chain?
Plant \(→\) Mice \(→\) Snake \(→\) Peacock

In vitro clonal propagation in plants is characterized by:

In which one of the following processes CO2 is not released?

Just as a person moving from Delhi to Shimla to escape the heat for the duration of hot summer, thousands of migratory birds from Siberia and other extremely cold northern regions move to:

Match the following and select the correct answer:

(a)	Centriole	(i)	Infoldings in mitochondria
(b)	Chlorophyll	(ii)	Thylakoids
(c)	Cristae	(iii)	Nucleic acids
(d)	Ribozymes	(iv)	Basal body cilia or flagella

Match the following and select the correct option:

(a)	Earthworm	(i)	Pioneer species
(b)	Succession	(ii)	Detritivore
(c)	Ecosystem service	(iii)	Natality
(d)	Population growth	(iv)	Pollination

Non-albuminous seed is produced in:

Planaria possess high capacity of:

Pollen tablets are available in the market for:

Select the correct matching of the type of the joint with the example in human skeletal system: