Gujarat Board-2020

Author:Embibe Experts

Embibe Experts Biology Solutions for Exercise - Gujarat Board-2020

Simple step-by-step solutions to Gujarat Board-2020 questions of Organisms and Populations from EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR BIOLOGY. Also get 3D topic explainers, cheat sheets, and unlimited doubts solving on EMBIBE.

Questions from Gujarat Board-2020 with Hints & Solutions

HARD
12th Gujarat Board
IMPORTANT

A =Birth rateDeath rate×100, What is "A"?

MEDIUM
12th Gujarat Board
IMPORTANT

What does 'X' represent in the given diagram?

Question Image

MEDIUM
12th Gujarat Board
IMPORTANT

Which option shows correctly matched pairs for Column - I and Column -II?

  Column I   Column II
i) Amensalism P) Beneficial to one, detrimental to other.
ii) Predation Q) Beneficial to both.
iii) Commensalism R) Detrimental to one, unaffected for other.
iv) Mutualism S) Beneficial to one, neutral for other.

EASY
12th Gujarat Board
IMPORTANT

Many members of genus _____ form Mycorrhiza.

MEDIUM
12th Gujarat Board
IMPORTANT

The formula of population density is:

EASY
12th Gujarat Board
IMPORTANT

Select the sentence which explains the best parasitism:

HARD
12th Gujarat Board
IMPORTANT

If any population has an equal birth rate and death rate then its age pyramid is    X   , vital index is    Y    and the population is    .