Explore topic-wise InterviewSolutions in .

Match the following.
$\begin{array}{cc}\text{a.Syphilis}& \text{i) Alphavirus}\\ \text{b.Gonorrhea}& \text{ii) Human Papillomavirus}\\ \text{c.Genital warts}& \text{iii) Treponemapallidum}\\ \text{d.Chikungunya}& \text{iv) Neisseriagonorrhoeae}\end{array}$

Carbohydrates are utilized in our body in the form of:

Which one of the following feature is common to prokaryotes and eukaryotes?

Which of the following is not true regarding sexual reproduction?

Match the descriptions with the images a,b,c,d.

A.B.

C. D.

i. Egg and the sperm are injected into the fallopian tubes.

ii. The embryo is transferred to the uterus.

iii. The sperm is directly inserted into the egg and then implanted in the uterus.

iv. The sperm are injected into the uterus.

Question 57

Reproduction is essentially a phenomenon that is not for the survival of an individual but for the stability of a species. Justify.

Unisexuality of flowers prevents:

Applications of fermentation includes_________

The layer of the eye where photoreceptors are present is called ________.

Which of our human ancestors had a cranial capacity of 1000cc, a low forehead, a massive brow ridge and large, thick jaws?

Which of the following molecules is NOT formed as a result of the Krebs cycle during aerobic cellular respiration?

What is external fertilization? The following diagram shows life cycle of a frog. Identify A, B , C and D in the diagram. [3 MARKS]

How does our blood clot ?

Fill in the blanks:

1. The loss of water from the plants is known as _______.

2. Nervous system is absent in _______ and _______.

3. Response to the stimulus of touch is called _______ whereas response to the stimulus of chemicals is called as _______.

4. Brain is the main _______ centre of the body.

Describe sexually transmitted diseases and mention the ways to prevent them. [5 MARKS]

When you smell a favourite food your mouth begins to water (that is, you secrete saliva). Write down what the following are examples of :

(a) the smell of the food

(b) the cells in your nasal passage which perceive the smell

(c) the gland which stimulated to secrete saliva.

Asexual reproduction involves________.

The lower chambers of the heart which pump with the maximum pressure are called ___ .

In which neurons impulse transmission is faster myelinated or nonmyelinated? Why?

Identify the wrongly bonded pair(s) among the following with regard to DNA:

What is the effect of DNA copying which is not perfectly accurate in the reproduction process?

A plant with yellow pod and wrinkled seeds with genotype Yyww will give you the following gametes

Which group of organisms together do not constitute a food chain?
I. Grass, lion, rabbit, wolf
II. Plankton, man, hawk
III. Wolf, grass, snake, tiger
IV. Frog, snake, eagle, grass, grasshopper

Assertion [A]: Glucagon is said to lower the blood sugar level.

Reason [R]: Glucagon increases the utilization of glucose in the tissues and glycogen in liver.

What is essential for the production of thyroxine hormone by the thyroid gland?

The image below showing root hairs are elongations of ___________

Vocal cords occur in_____

What is DNA replication?

Question 19
Fill in the blanks of the paragraph given below with the words provided in the box.

A word can be used more than once.

Leaves have a green pigment called (a) __ which captures (b) __ from sunlight. This (c) __ is used in the process of (d) __ and along with other raw materials like (e) __ and (f) __ to synthesize (g) __.

Match List - I (Electromagnetic wave type) with List - II (Its association /application) and select the correct option from the the choices given below the lists:

$\begin{array}{cccc}& \text{List - I}& & \text{List - II}\\ \left(a\right)& \text{Infrared waves}& \left(i\right)& \text{To treat muscular strain}\\ \left(b\right)& \text{Radio waves}& \left(ii\right)& \text{For broadcasting}\\ \left(c\right)& \text{X - rays}& \left(iii\right)& \text{To detect fracture of bones}\\ \left(d\right)& \text{Ultraviolet}& \left(iv\right)& \text{Absorbed by the ozone layer}\\ & & & \text{of the atmosphere}\end{array}$

Which of the following are the correct terms used for the group of organisms mentioned below?

1. Grass, Fern, Moss

2. Lion, Cow, Rat

3. Bacteria, Fungi