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Given below is a diagram representing a stage during mitotic cell division in an animal cell. Examine it carefully and answer the questions which follow.
(a) Identify the stage. Give one reason in support of your answer.
(b) Name the cell organelle that forms the 'aster'.
(c) Name the parts labelled 1, 2 and 3.
(d) Name the stage that follows the one shown here. How is that stage identified?
(e) Mention two differences between mitosis and meiosis with regard to :
(i) The number of daughter cells produced.
(ii) The chromosome number in the daughter cells.

Which one of the following has cytoplasm but no nucleus : (a) xylem vessel
(b) sieve tube
(c) tracheid
(d) companion cell

Identify the stage of mitosis by inspecting the image and key changes listed.

Matching DNA sequences to identify a criminal is known as ________.

Translocation in plants

The hormone causing more urine formation

A scientist introduces the gene isolated from Bacillus thuringiensis in a plant to get a transgenic variety of that plant. What change in the characteristic of the plant is he aiming at?

Assertion [A]: Integrated Pest Management (IPM) is a broad approach for the economic control of pests without polluting nature.
Reason [R]: IPM uses naturally occurring compounds from plants, animals, fungi and bacteria as pesticides.

Tabulate two distinguishing features between acquired traits and inherited traits with one example of each.

The term used for blood going through the heart twice during each cycle__.

If a person is reading a novel, then in what state his ciliary muscles are in?

The small differences among the individual are called__.

Kerala has been declared to be a completely digital state based on satisfaction of which of the following parameters:

Code:

The diagram below shows undisturbed sedimentary strata at the bottom of an ocean. The fossils found in layer B resemble the fossils found in layer A. This similarity suggests that

The net movement of water into or out of the cell is driven by differences in ___ between the extracellular fluid and the intracellular fluid.

When the cell is placed in a hypotonic solution it

Given diagram shows the upper arm (frontal view) of a human. Identify A to H and choose the correct option.

The Vaccine that is more thermostable and remains active for the longer duration

Which precautions will you follow to maintain the reproductive health?

Name the following :

(a) The three hormones produced by pancreas.

(b) The hormone produced by adrenal medulla.

(c) The condition caused by the oversecretion of insulin.

(d) The hormone secreted by β (beta) cells of the islets of Langerhans.

(e) The hormone which increases blood pressure.

(f) The hormone causing more urine formation.

(g) The hormone which stimulates the entire sympathetic nervous system.

A cross between two snapdragon varieties - one with red flowers and one with white flowers produces $F_1$ hybrids all with pink flowers . This is an example for

Explain the concept of food chain. [5 MARKS]

Which of the following is INCORRECT about the male reproductive system?

Name the part of the brain that performs the following function

a. Maintaining the posture and body balance.

b.Regulation of blood pressure

c. The sensation of hunger or feeling full

d. Seeing

Which one of the following is not a site for in-situ method of conservation of flora?

Which of the following evidences were used to study human evolution ?

What is osmoregulation?

Which of the following is correctly matched?

Which of the following is/are functions of the stomata present in the leaf?

Why anaerobic respiration produces low energy i.e only 2 ATP?

Why does photosynthesis occur during the day time only????

Regarding assertion and reason, select the right option.

Assertion (A): Pollen grains have a tough outer covering.
Reason (R): Pollen grains differs in size, shape, colour and design.

Question 30
Solve the crossword given as Figure

$\begin{array}{cc}Across& Down\\ 1.Cream-coloreddigestivegland& 2.Feedswiththehelpofpseudopodia\\ 3.Undigestedexcretorysolidresidues& 6.Totalnumberofmolarsinonejawofanadult\\ 4.Organthatmixessalivawiththefood& 8.Largestgland\\ 5.Pointofdefecation& 9.Waterysecretioninthemouth\\ 7.Storedingallbladder& 11.Aruminant\\ 10.Finger-likeoutgrowthinthesmallintestine& 12.Formoffoodchewedbyruminants\\ 13.Kindoftastebuds& \\ 14.Killsbacteriainthestomach& \end{array}$

Linkage was discovered by ___.

Some plants have a unique photosynthetic pigment. The leaves of these plants appear to be yellow and orange. Which pigment makes this leaves appear yellow and orange?

What is the work / use of appendix in our body ?

How is required pH maintained in the stomach and small intestine?

Define stimuli