Home
Class 12
BIOLOGY
Calcium metabolism in birds get disturbe...

Calcium metabolism in birds get disturbed due to the effect of a)Mercury b)Cadmium c)DDT d)Lead

A

Mercury

B

Cadmium

C

DDT

D

Led

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Similar Questions

Explore conceptually related problems

Certain properties of liquids are given below: Classify them on the basis of effect of temperature on them. a) Evaporation b) Vapour pressure c) Surface tension d) Viscosity

The catalytic activity of transition metals and their compounds is mainly due to: a)their magnetic behaviour b)their unfilled d-orbitals c)their ability to adopt variable oxidation state d)their chemical reactivity

A,B,C and D are four gases. 2 mole A react with 3 mole B to form 2 mole C and mole D. in this reversible reaction, forward reaction is exothermic. Write the chemical equation for the reaction and answer thefollowing questions. a) If the system is at eqilibrium, what will be the effect of increase in pressure on the system? b) What is the effect of change in temperature?

It is an interaction between two organisms in which one organism gets benefited and other harmed. a)Scavenging b)Symbiosis c)Commensalism d)Parasitism

Identify the following diseases noting the symptoms given below a) The liver is affected, skin and eyes turn yellow due to the deposit of bile pigments. b) Difficulty in breathing causing wheezing due to the inflammation of bronchi and bronchioles. c) Chronic disorder in which alveolar walls are damaged mainly due to cigarette smoking . d) Auto immune disorder affecting neuro muscular junction leading to fatigue, weakening and paralysis of skeletal muscles. e) Inflammation of joints due to deposition of uric acid crystals. f) Age related disorder due to decreased level of estrogen, characterised by decreased bone mass and increased chances of fractures.

Green house effect is caused by: (a)NO2 (b)CO (c)NO (d)CO2