Recent questions in Class 10

An aqueous solution turns red litmus solution blue. Excess addition of which of the following solution would reverse the change?

asked Sep 11, 2017 by meena.p

1 answer

When a metal replaces hydrogen atom then compound form is

asked Sep 11, 2017 by meena.p

1 answer

When copper oxide is heated with hydrogen, copper metal and water are formed. Which of the following is oxidising agent in this reaction?

asked Sep 11, 2017 by meena.p

1 answer

Why does an atom have no net electric charge?

asked Sep 8, 2017 by meena.p

1 answer

Organisms of a trophic level that feed on several types of organisms in the lower trophic level constitute the . Such interconnected ones are called the _.

asked Aug 1, 2017 by priyanka.c

1 answer

Disposable plastic plates should not be used because

asked Aug 1, 2017 by priyanka.c

1 answer

Construct a food chain from these organisms. Snake, Rat, Seeds, Eagle

asked Aug 1, 2017 by priyanka.c

1 answer

Organisms that feeds on herbivores are placed in

asked Aug 1, 2017 by priyanka.c

1 answer

Accumulation of non biodegradable pesticides in the food chain in increasing amount at each trophic level is known as

asked Aug 1, 2017 by priyanka.c

1 answer

Vestigial organs are

asked Aug 1, 2017 by priyanka.c

1 answer

A basket of vegetable contains carrot, potato, radish and tomato. Which one of the following represents correct homologus structures?

asked Aug 1, 2017 by priyanka.c

1 answer

Which among the following is not the function/s of the testes at puberty? i. Formation of germ cells ii. Secretion of testosterone iii. Development of placenta iv. Secretion of estrogen

asked Aug 1, 2017 by priyanka.c

1 answer

Identify the correct sequence of events of asexual reproduction in a flower

asked Aug 1, 2017 by priyanka.c

1 answer

Binary fission is seen in

asked Aug 1, 2017 by priyanka.c

1 answer

In a synapse, chemical signal is transmitted from

asked Aug 1, 2017 by priyanka.c

1 answer

Fruits are artificially ripened by using

asked Aug 1, 2017 by priyanka.c

1 answer

Sympathetic nervous system is a component of

asked Aug 1, 2017 by priyanka.c

1 answer

The event that does not occur in photosynthesis is

asked Aug 1, 2017 by priyanka.c

1 answer

Valve present between left atrium and left ventricle is

asked Aug 1, 2017 by priyanka.c

1 answer

Kulhs are irrigation canals of

asked Aug 1, 2017 by priyanka.c

1 answer

Bacteria found in the river Ganges when highly polluted is

asked Aug 1, 2017 by priyanka.c

1 answer

An effect of deforestation is

asked Aug 1, 2017 by priyanka.c

1 answer

The percentage of solar radiation absorbs by all green plants for photosynthesis

asked Aug 1, 2017 by priyanka.c

1 answer