Embibe Experts Solutions for Exercise 1: CBSE-2018

Author:Embibe Experts

Embibe Experts Biology Solutions for Exercise - Embibe Experts Solutions for Exercise 1: CBSE-2018

Attempt the free practice questions from Exercise 1: CBSE-2018 with hints and solutions to strengthen your understanding. EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR BIOLOGY solutions are prepared by Experienced Embibe Experts.

Questions from Embibe Experts Solutions for Exercise 1: CBSE-2018 with Hints & Solutions

EASY
12th CBSE
IMPORTANT

Name any two physiological barriers that provide innate immunity.

MEDIUM
12th CBSE
IMPORTANT

Write the scientific names of the causative agent and vector of malaria and write its symptoms.

MEDIUM
12th CBSE
IMPORTANT

Name any two diseases spread by Aedes sp.

HARD
12th CBSE
IMPORTANT

Differentiate between active and passive immunity.

HARD
12th CBSE
IMPORTANT

Comment on the role of vaccination and immunisation in keeping the human population healthy.

EASY
12th CBSE
IMPORTANT

The main barrier that prevents the entry of micro-organisms into our body is

MEDIUM
12th CBSE
IMPORTANT

It is often observed that the chances of a person suffering from measles in his or her lifetime are low if he or she has suffered from the disease in their early childhood. Justify the statement.

HARD
12th CBSE
IMPORTANT

A student on a field trip suddenly felt breathlessness and started to sneeze very badly. Name this response and explain what it is due to.