Temperature treatment which shortens the vegetative period and hastens the flowering is called

Question

Temperature treatment which shortens the vegetative period and hastens the flowering is called

A. Phototropism

B. Photoperiodism

C. Vernalisation

D. Thermoregulation

Share this question with your friends

Show all General Biology Set 2 MCQ

Comment

Who considered evolution as due to mutation?

A. Charles Darwin

B. Lamarck

C. Hugo de Vries

D. Cuvier

Discuss this answer

Edward Jenner to find out the efficacy of vaccination used

A. his own body

B. his friend's body

C. a corpse

D. a laboratory animal

Discuss this answer

The blood clotting requires the vitamin

A. A

B. B

C. C

D. K

Discuss this answer

Lizards, snakes, crocodiles and turtles belong to the class

A. Aves

B. Reptilia

C. Mammalia

D. Amphibia

Discuss this answer

The thermoregulatory centre in the human brain is the

A. Pituitary

B. Spinal cord

C. Cerebellum

D. Hypothalamus

Discuss this answer

The valve between the right auricle and right ventricle is called

A. Tricuspid

B. Bicuspid

C. Monocuspid

D. Semilunar

Discuss this answer

Who coined the term gene?

A. Mendel

B. Devries

C. Jacob and Monod

D. Johanson

Discuss this answer

The age of a tree can be determined by

A. counting the number of annual rings

B. thickness of the bark

C. the bulk of the tree

D. the number of leaves

Discuss this answer

The radicle of the seeding always grows

A. towards the gravity

B. away from gravity

C. neutral to gravity

D. towards light

Discuss this answer

Maintenance of pregency is under the control of

A. Follicular stimulating hormone

B. Growth hormone

C. Estrogen

D. Progesterone

Discuss this answer

Dr Khorana's work relates to

A. synthesis of simple DNA

B. genetic code

C. reduction of mutation

D. synthesis of RNA from bacterial cell

Discuss this answer

Cancer cells are more easily damaged by radiation than normal cells because they are

A. different in structure

B. non-dividing

C. starved of nutrition

D. undergoing rapid division

Discuss this answer

Which among the following is a balanced fertiliser for plants?

A. Urea

B. Ammonium Sulphate

C. Nitrates

D. Compost

Discuss this answer

Which of the following diseases is water borne?

A. Cholera

B. Malaria

C. Filiariasis

D. None of the above

Discuss this answer

The eland having endorine as well as exocrine function is

A. Adrenal gland

B. Thyroid gland

C. Pituitary gland

D. Pancreatic gland

Discuss this answer

When the earth was formed it had an atmosphere with

A. Hydrogen, Oxygen and Nitrogen

B. Water Vapour, Hydrogen and Oxygen

C. Oxygen, Carbondioxide and Nitrogen

D. Water Vapour, Ammonia and Methane

Discuss this answer

The science of improving the hereditary qualities of future generations of mankind is referred to as

A. genetics

B. eugenics

C. epigenesist

D. epistasis

Discuss this answer

Baldness is seen only in the males because

A. it is a male disorder

B. it is linked with male Y chromosome

C. it is influenced by male hormone

D. females cover it up with wigs

Discuss this answer

Which one of the following genetical disease is sex-linked?

A. Royal haemophilia

B. Tay-Sachs disease

C. Cystic fibrosis

D. Hypertension

Discuss this answer

Vitamin D is known as anti-rachitic vitamin because it cures the deficiency disease called

A. Rickets

B. Beriberi

C. Xerophthalmia

D. Sterility

Discuss this answer

Lamarck's theory of inheritance of acquired characters was challenged by

A. August Weismann

B. Hugo de Vries

C. Herbert- Spencer

D. Carl Linnaeus

Discuss this answer

Plague is caused by

A. Bacteria

B. Virus

C. Fungus

D. Fleas

Discuss this answer

Cretinism is due to the disorder of the glands

A. Thymus

B. Parathyroid

C. Thyroid

D. Adrenal

Discuss this answer

Vaccine for influenza has been discovered by

A. Khorana

B. John

C. Mittel

D. Salk

Discuss this answer

A few infections like sore throat, whooping cough and tuberculosis are carried through the respiratory system. Which among the following is caused by bacteria while passing through the respiratory tract?

A. diphtheria

B. dysentery

C. jaundice

D. typhoid

Discuss this answer

The smallest size of a cell which can be seen directly by the eye is

A. One micron

B. 10 micron

C. 100 micron

D. 1000 micron

Discuss this answer

The theory of 'jumping genes' was propounded by

A. Gregor John Mendel

B. Thomas Hunt Morgan

C. Barbara McClintock

D. Watson and Crick

Discuss this answer

Eosinophil™s are stained by

A. alkaline dyes

B. acidic dyes

C. neutral dyes

D. vital stains

Discuss this answer

The scientist who discovered the blood groups is

A. Landsteiner

B. TH Morgan

C. William Harvey

D. Darwin

Discuss this answer

Hydrotropism means the growth of roots

A. away from water

B. towards water

C. into water

D. out of water

Discuss this answer

Accepted Answer

C. Vernalisation

Temperature treatment which shortens the vegetative period and hastens the flowering is called

Correct Answer :

Show all General Biology Set 2 MCQ

Related Questions

Who considered evolution as due to mutation?

Edward Jenner to find out the efficacy of vaccination used

The blood clotting requires the vitamin

Lizards, snakes, crocodiles and turtles belong to the class

The thermoregulatory centre in the human brain is the

The valve between the right auricle and right ventricle is called

Who coined the term gene?

The age of a tree can be determined by

The radicle of the seeding always grows

Maintenance of pregency is under the control of

Dr Khorana's work relates to

Cancer cells are more easily damaged by radiation than normal cells because they are

Which among the following is a balanced fertiliser for plants?

Which of the following diseases is water borne?

The eland having endorine as well as exocrine function is

When the earth was formed it had an atmosphere with

The science of improving the hereditary qualities of future generations of mankind is referred to as

Baldness is seen only in the males because

Which one of the following genetical disease is sex-linked?

Vitamin D is known as anti-rachitic vitamin because it cures the deficiency disease called

Lamarck's theory of inheritance of acquired characters was challenged by

Plague is caused by

Cretinism is due to the disorder of the glands

Vaccine for influenza has been discovered by

A few infections like sore throat, whooping cough and tuberculosis are carried through the respiratory system. Which among the following is caused by bacteria while passing through the respiratory tract?

The smallest size of a cell which can be seen directly by the eye is

The theory of 'jumping genes' was propounded by

Eosinophil™s are stained by

The scientist who discovered the blood groups is

Hydrotropism means the growth of roots

Also checkout