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Most of the transpiration in tall trees occurs through

(a) Stomata (b) Lenticels

(c) Cuticle (d) Bark

Answer
the following questions briefly

(a)
How did the ancient mariner stop the wedding guest?

(b)
Was the wedding guest happy to be stopped? Give reasons for your
answer.

(c)
Describe the ancient mariner.

(d)
How does the mariner describe the movement of the ship as it sails
away from the land?

(e)
What kind of weather did the sailors enjoy at the beginning of their
journey? How has it been expressed in the poem?

(f)
How did the sailors reach the land of mist and snow?

(g)
How does the mariner express the fact that the ship was completely
surrounded by icebergs?

(h)
How do we know that the albatross was not afraid of the humans? Why
did the sailors hail it in God’s name?

(i)What
was the terrible deed done by the Mariner? Why do you think he did
it?

Which of the following prevents the growth of fungi and bacteria inside the ear canal?

Which one or more of the expressions in column II are appropriate for the items listed in column I? Write the correct matching pairs:

Question 04(vi)

Indicate whether the following statements are True (T) or False (F).

Amoeba reproduces by budding. ( )

What is the causative organism for AIDS?

UV radiation from sunlight causes the reaction that produces ___.

Leaves of a healthy potted plant were coated with Vaseline to block the stomata. What will happen to yhoth plants after few days?

The fluid present within a sac like structure surrounding the foetus, which acts as a shock absorber.

Enter 2 words only.

Match the symptoms given below with the disease:
$\begin{array}{cc}\text{Column I}& \text{Column II}\\ \text{a. Protruding tongue, bloated abdomen, bradycardia, hypotension}& \text{i. Graves' disease}\\ \text{b. Exophthalmos, palpitations, jittery hands and inability to sleep}& \text{ii.Hyperthyroidism}\\ \text{c.Sluggishness, fogginess, fatigue impaired memory, and in general mental lethargy}& \text{iii.Cretinism}\\ \text{d. Increased BMR, Hyperexcitability, enlarged bones}& \text{iv. Hypothyroidism}\end{array}$

Peristalsis is alternate and rhythmic contraction and relaxation of muscles in the ________ .

Quickwilt in pepper is a ________ disease.

The technique of sterilizing a male by blocking the vas deferens is known as

The bacteria that convert milk to curd is ___

Which of the following technique can be used to identify a criminal?

Daylight (photopic) vision and colour vision are functions of

Which of the following is not an excretory product in animals?

A cell (or group of cells) in a sense organ which is sensitive to a particular type of stimulus is called :

(a) interceptor

(b) effector

(c) receptor

(d) acceptor

During osmosis, water moves through a semipermeable membrane–

Which of the following statements is incorrect in connect with the law of segregation?

Which of the following is not the function of the auditory canal?

The term 'species' was coined by ______.

Among the mentioned human ancestors, the brain size was more than 1000 CC in:

What are the two parts of the vertebrate nervous system?

Most of the information processing takes place in ___

Explain the three steps involved in excretion that are ultra filtration, selective reabsorption, and tubular secretion in human being.

Deficiency of insulin secretion leads to:

The male gametes in a flower and in a human are produced respectively in :
(a) stigma and ovary
(b) anther and style
(c) ovary and testes
(d) anther and testes

The food goes down the oesophagus by:

What is the ability that prevents some people from getting a particular disease while it still affects others?

Identify the pair that is correctly matched from the given.



Auxin – cell division

Gibberellin – internodal elongation

Cytokinin – fruit ripening

Ethylene – apical dominance

3.Name the largest gland in human body.

How do fishes cope up with two chambered heart where oxygenated and deoxygenated blood mixes up unlike mammals which have four chambered heart for efficient flow of blood?