Home
Class 12
BIOLOGY
Select the correct statement from the fo...

Select the correct statement from the following

A

A mere 0.1% impurities cannot make domestic sewage unfit for human use

B

High concentrations of DDt disturb calcium metabolism in birds

C

Phaeophytization in lichens is caused due to nitrogen oxides

D

Bad' ozone as well as 'good' ozone both are found in the upper part of the atmosphere.

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • ENVIRONMENTAL ISSUES

    AAKASH INSTITUTE|Exercise ASSIGNMENT SECTION C|92 Videos

  • ENVIRONMENTAL ISSUES

    AAKASH INSTITUTE|Exercise ASSIGNMENT SECTION D|15 Videos

  • ENVIRONMENTAL ISSUES

    AAKASH INSTITUTE|Exercise ASSIGNMENT SECTION A|35 Videos

  • ECOSYSTEM

    AAKASH INSTITUTE|Exercise Section - D (Assertion - Reasion Type questions)|15 Videos

  • EVOLUTION

    AAKASH INSTITUTE|Exercise TRY YOURSELF|29 Videos

Similar Questions

Explore conceptually related problems

An inorganic iodide (A) on heating with a solution of KOH gives a gas (B) and a solution of a compound. The gas (B) on ignition in air gives a compound (C ) and water. Copper sulphate is finally reduced to the methal on passing (B) through its solution. Select the correct statement from the following for the gas (B).

Select the correct statements from the following.

Select the correct statements from the following

Select the correct statement from th following.

For the circuit shown in figure, select the correct statements from the following options : .

In the given circuit, R, 10Omega R_(2) = 6Omega and E = 10V . Select the correct statements from the following

Two identical objects A and B are at temperatures T_A and T_B . Respectively. Both objects are placed in a room with perfectly absorbing walls maintained at a temperature T(T_AgtTgtT_B) . The objects A and B attain the temperature T eventually. Select the correct statements from the following:

Select the correct statements from the following I. Endosperm is generally triploid in angiosperms, II. All angiosperms have monosporic and endosporic embryo sac, III. Angiosperms are characterised by double fertilization, IV. All angisoperms show indirect pollination and siphonogamy