10 self study question with answer--10 (bio)

Question 1

Tikka disease is related with the crop ______.

  Musturd

  Paddy

  Ground Nut

  All of these

It's 'Ground Nut '
The groundnut leaf spots commonly called as “Tikka” disease cause nearly complete defoliation and yield loss up to 50 % or more depending upon disease severity.

Question 2

Study of disease like cancer _____.

  Osteology

  Oncology

  Karyology

  Nephrology

It's 'Oncology '
Oncology is a branch of medicine that deals with tumors. Oncology is concerned with the diagnosis of any cancer in a person.

Question 3

Carbon dioxide is released by plant during ______.

  Photosynthesis

  Absent of sap

  Transpiration

  Respiration

It's 'Respiration '
Plants produce CO₂ all the time as a metabolic product of respiration, but when light is available, they can use and fix some of this CO₂ as a substrate in photosynthesis.

Question 4

Which is the most stable ecosystem?

  Desert

  Ocean

  Mountain

  Forest

It's 'Ocean '
Ocean is the most stable ecosystem as it is self-sustaining ecosystem.

Question 5

Branch of biology which deals with the study of identification, nomenclature and classification on organism is ____.

  Exobiology

  Ecology

  Taxonomy

  Toxicology

It's 'Taxonomy '
Taxonomy is the science of naming, describing and classifying organisms and includes all plants, animals and microorganisms of the world.

Question 6

The scientist who studied about wheat rust problem-_____.

  H.C. Bose

  K.C. Mehta

  Birbal Shani

  D D Pant

It's 'K.C. Mehta '
By 1930, K.C. Mehta had made name for his studies on the wheat rust problem in India.

Question 7

Which of the following is a physical basis of life?

  Protoplasm

  Nucleus

  Mitochondria

  Ribosome

It's 'Protoplasm '
According to Huxley the protoplasm is the physical basis of life. Inside the cell wall of living cell the living substance is known as protoplasm. The protoplasm is a thick fluid or jelly ­like substance.

Question 8

Herbicides are used to control?

  Fungi

  Nematodes

  Weeds

  Insects

It's 'Weeds '
Herbicide also commonly known as weed killers are pesticides used to killunwanted plants

Question 9

Which of the following types of teeth is used for grinding food?

  Canine

  Incisor

  Molar

  Milk

It's 'Molar '
The molar teeth are large, flat teeth at the back of the mouth. They are used primarily to grind food during chewing.

Question 10

Pace maker is related with _______.

  Kidney

  Brain

  Lung

  Heart

It's 'Heart '
A pacemaker is a small device that's placed in the chest or abdomen to help control abnormalheart rhythms.