EASY
Earn 100

Differentiate between dry and wet mounts.

Important Questions on Cell Structure and Organization

MEDIUM
Biology>Cell : Structure and Functions>Cell Structure and Organization>Introduction to Cell
An exception to cell theory is
EASY
Biology>Cell : Structure and Functions>Cell Structure and Organization>Introduction to Cell
Who discovered cells in the human body?
EASY
Biology>Cell : Structure and Functions>Cell Structure and Organization>Introduction to Cell
The concept of “Omnis cellula-e cellula” regarding cell division was first proposed by:
MEDIUM
Biology>Cell : Structure and Functions>Cell Structure and Organization>Introduction to Cell
Which one of the following statements is true for a microscope?
MEDIUM
Biology>Cell : Structure and Functions>Cell Structure and Organization>Introduction to Cell
Why do we stain the 'study material'?
MEDIUM
Biology>Cell : Structure and Functions>Cell Structure and Organization>Introduction to Cell
Draw a ray diagram to illustrate the action of a convergent lens as reading glasses or a magnifying glass.
EASY
Biology>Cell : Structure and Functions>Cell Structure and Organization>Introduction to Cell
Why could cells not be observed and studied for thousands of years?
EASY
Biology>Cell : Structure and Functions>Cell Structure and Organization>Introduction to Cell
Viruses can be seen by simple microscope.
MEDIUM
Biology>Cell : Structure and Functions>Cell Structure and Organization>Introduction to Cell
Can we prepare slides without using stains? If not, why?
EASY
Biology>Cell : Structure and Functions>Cell Structure and Organization>Introduction to Cell
Differentiate between temporary and permanent slides.
MEDIUM
Biology>Cell : Structure and Functions>Cell Structure and Organization>Introduction to Cell
A microscope is used to _____.
EASY
Biology>Cell : Structure and Functions>Cell Structure and Organization>Introduction to Cell
What precaution should be taken while placing a coverslip over the study material?
EASY
Biology>Cell : Structure and Functions>Cell Structure and Organization>Introduction to Cell
A concave lens is used as a magnifying glass.
EASY
Biology>Cell : Structure and Functions>Cell Structure and Organization>Introduction to Cell
What purpose is served by the coverslip?
HARD
Biology>Cell : Structure and Functions>Cell Structure and Organization>Introduction to Cell
What is mounting of slides? What are the two types of mounts prepared?
EASY
Biology>Cell : Structure and Functions>Cell Structure and Organization>Introduction to Cell

Write the quadrants in which the following points lie:

-4,7

HARD
Biology>Cell : Structure and Functions>Cell Structure and Organization>Introduction to Cell
Describe stepwise how you would make a slide of an onion peel and observe it under a microscope.
EASY
Biology>Cell : Structure and Functions>Cell Structure and Organization>Introduction to Cell

Match the name of the scientist given under column 'A' with the organism or the product was given under column.

  Column 'A'      Column 'B'
1. Leeuwenhoek   (a)  phagocytes
2. Elic Metchnikoff   (b)  microscope
3. Louis Pasteur (c)  penicillin
4. Alexander Fleming  (d) antiseptic
5. Edward Jenner (e) pasteurisation
EASY
Biology>Cell : Structure and Functions>Cell Structure and Organization>Introduction to Cell
A thin section of a specimen is taken for viewing it through a microscope because
MEDIUM
Biology>Cell : Structure and Functions>Cell Structure and Organization>Introduction to Cell
Why are plant and animal specimens usually stained with dyes before observing them through a microscope? Name one stain (or dye) used for this purpose.