Biology for ( Grade 10 )

controls the functioning of thyroid gland. It stimulates thyroid gland to secrete thyroxin. (D) Follicle stimulating hormone (FS ...

is situated in the lower part of the neck and when enlarged it forms goitre. Two hormones secreted by the thyroid gland are : (i ...

9.5 (d) Parathyroid Gland : These are small ovoid pea shaped glands. They lie on the posterior surface of the thyroid gland. Usu ...

development and growth. Adrenal medulla is important in raising defence mechanisms and supplementing sympathetic action in the ...

pituitary gland, it is also known as growth hormone release inhibiting hormone (GHRIH). 9.5 (h) Ovaries : Ovaries secrete three ...

spermatogenesis. 9.6 NERVOUS CO-ORDINATION IN ANIMALS : In animals two kinds of co-ordination -nervous & chemical are presen ...

the ganglia and nerves spreading form the nerve cord. Nervous system of Grass hopper DAILY PRACTIVE PROBLEMS # 9 OBJECTIVE QUEST ...

(C) respiration (D) photosynthesis. A plant bends towards the source of light when exposed to the light on only one side. Which ...

hormone (D) liquid gas mixture Pineapple an be made to flower if off season by (A) zeatin (B) ethylene (C) temperature (D) sho ...

(i) Cerebrum (ii) Meninges (iii) medulla oblongata (iv) Cerebellum [CBSE Delhi 2005] Draw a diagram of nervous system in an ins ...

CONTROL & CO-ORDINATION 10.1 NERVOUS SYSTEM IN HUMAN : The nervous system of human beings consists of central & peripher ...

10.1 (a) Struture : Each neuron consist of a cell body called cyton and a number of branches (nerve fibres) arising from the cyt ...

10.1 (c) Types of Nervous System : (i) Central nervous system : It consists of the brain and the spinal cord. The brain is cover ...

Cerebrum : It is the largest part of the brain. It consists of two cerebral hemispheres joined by a band of nerve fibres called ...

Pons varolii : it lies above the medulla oblongata. It controls some aspects of respiration. Medulla oblongata : It is the post ...

Gastric secretion Inhibits secretion Stimulates secretion Salivary glands Inhibits secretion of saliva Stimulates secretion Urin ...

tapped, quick closing of eyelid when an object suddenly comes in fort of eyes (corneal reflex) etc. (ii) Conditioned reflex : Th ...

Third ventricle occurs in (A) cerebrum (B) cerebellum (C) medulla oblongata (D) diencephalon The pineal body is considered as ...

controlled? What are the functions of the following endocrine glands? (i) Pancreas (ii) Thyroid (iii) Adrenal (iv) Ovaries (v) ...

Which hormone is responsible for the development of moustache and beard in men.[CBSE, 2004] What is the difference between se ...