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Which of the following statements are true in relation to addiction and dependence?

Select the meaning of the given phrases/idioms: couch potato

The anther contains

If an individual or an organism has identical alleles on a gene locus, it is said to be which of the following?

Match the following types of digestion with their related terms and examples
$\begin{array}{cc}ColumnI& ColumnII\\ \text{i.Intracellular digestion}& \text{a. Humans}\\ \text{ii. Extracellular digestion}& \text{b. Mastication}\\ \text{iii. Mechanical digestion}& \text{c. Enzymatic action}\\ \text{iv. Biochemicaldigestion}& \text{d. Amoeba}\end{array}$

Why should we wash fruits and vegetables thoroughly before using?

Which part of the brain contains structures such as the pons and cerebellum?

Folding of leaves in the mimosa plant and growth of plant towards light are examples of tropic movements. Do you agree? Why or why not?

What is the fate of an unfertilized egg?

DNA fingerprinting is useful in

According to scientists, aves have evolved from :
(a) mammals
(b) amphibians
(c) reptiles
(d) arthropods

How is an unfertilized egg removed from the body of a women?

The Law of Inheritance was postulated by ______.

What is the lifespan of RBCs?

Part of the neuron that helps speed up the flow of impulses through the neuron.

Among long day plants, flowering and sex-expression are controlled by

Mr. Ramesh had irregular, disturbed sleep patterns. His appetite had also drastically reduced. The possible reason for this condition could be___________________.

_____ acts as both endocrine and exocrine gland.

Question 4

How does the embryo get nourishment inside the mother’s body?

______ send signals away from the neurons whereas ______ receive signals from other neurons.

What might happen to a recipient if a non-matching blood is transfused?

1)depending upon food habit name 3 types of holozoic animals.

2)What type of digestion occurs in man?

3)Name a vestigeal structure in alimentary canal.

4)Give advantage of intercellular digestion in alimentary canal over intracellular digestion

When a capillary tube is immersed in a liquid , then liquid of mass m rises and in the capillary tube. If capillary tube of double radius is taken then mass of the same liquid rising in the tube is

Name the following types of teeth with their function.

The human body has an organ A which acts as a double pump. The oxygenated blood coming from the lungs through a blood vessel B enters the upper left chamber C of the double pump. When chamber C contracts, then blood goes into lower left chamber D. The contraction of chamber D forces the blood to go into a blood vessel E which supplies oxygenated blood to all the organs of the body (except the lungs). The deoxygenated blood coming out of the body organs is taken by a blood vessel F to the right upper chamber G of pumping organ. Contraction of chamber G forces the deoxygenated blood into right lower chamber H. And finally the contraction of chamber H sends the deoxygenated blood into lungs through a blood vessel I.
(a) What is organ A?
(b) Name the blood vessel (i) B (ii) E (iii) F, and (iv) I.
(c) What are chambers (i) C, and (ii) D
(d) What are chambers (i) G and (ii) H?

why is diffusion insufficient to meet the oxygen requirement of multicellular organisms like humans.

If due to some injury the chordae tendineae of the tricuspid valve of the human heart is partially non-functional, what will be the immediate effect?

To which of the following directional stimulus roots of a plant do not respond?

(a) moisture

(b) candlelight

(c) touch

(d) gravity

Which of the following chromosomal mutation shows drastic effect on protein functions?

Answer the following.

What major harm is done to the human beings by air pollution?

The corpus luteum secretes a hormone called

Question 20

The substance that triggers the fall of mature leaves and fruits from plants is



(a) auxin

(b) gibberellin

(c) abscisic acid

(d) cytokinin

Name the method in which a part of the plant is cut and grafted in other part of the plant ?

Name the enzyme which help in digestion of the foods shown below in small intestine:

What are the three parts of gynoecium?

Question 7
Which part of the alimentary canal receives bile from the liver?

(a) Stomach
(b) Small intestine
(c) Large intestine
(d) Oesophagus

Foolish seedling disease or Bakane of Rice helped in discovery of hormone