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Bulliform cells take part in

What is the difference between cytoplasm and cell membrane?

Question 12

Only variations that confer an advantage to an individual organism will survive in a population. Do you agree with this statement? Why or why not?

What kind of response is shown by the plant in this diagram?

Callose plugs are formed during winter

Flowers are zygomorphic in

Identify the set with a common feature.

Differentiate
between

(a) Respiration
and Combustion

(b) Glycolysis
and Krebs’ cycle

(c) Aerobic respiration
and Fermentation

Insertional inactivation is practiced in genetic engineering for

The lowest number of $X-O-X$ linkage among the following group of species?

On the Basis of characters in group A and group B identify the correct:
$\begin{array}{cc}Group–A& Group–B\\ \left(i\right)Landplant& \left(i\right)Landplant\\ \left(ii\right)Plantbodyformsthallus& \left(ii\right)Sporophyteisdividedroot,stemandleaves\\ \left(iii\right)Gemmacupspresentondorsalsurface& \left(iii\right)Vasculartissueispresent\\ \left(iv\right)Multicellularscalesarepresent& \left(iv\right)Fruitsareabsent\\ \left(v\right)Gametophyticplantbody& \left(v\right)Seedsarepresent\end{array}$

Which one of the following concerns photophosphorylation?

If a marine fish is placed in a freshwater aquarium, will the fish to able to survive? Why or why not?

Species as a unit of classification was first used by

Question 10

Which of the following is not true of a eukaryotic cell?

(a) Cell wall is made up of peptidoglycans

(b) It has 80S type of ribosome present in the cytoplasm.

(c) Mitochondria contain circular DNA.

(d) Membrane bound organelles are present

The phenomenon by which one gene controls many traits is called:

Match the following related to chromosome number.

Which of the following is the correct labelling of parts of the kidney?

Spermiation is the process of the release of sperms from______

Mendelian recombinations are due to:

How do ‘denizens’ and ‘chivalric’ add to our understanding of the tiger’s attitudes?

The process of transfer of electrons from glucose to molecular oxygen in bacteria and mitochondria is known as

Assertion: Protons or hydrogen ions produced by photolysis of water accumulate in the lumen of thylakoids.

Reason: Photolysis of water takes place in the inner membrane of thylakoids.

Radioactive phosphate ${(}^{32}P{O}_4)$ was applied to a plot of natural grassland. During the next 35 days, samples of four species of arthropod were investigated for radioactive content. The graph shows the relative amounts of radioactivity found in the four species, W, X, Y and Z.

Which is the correct sequence of muscles that take part in walking?

Why do you think Aunt Jennifer created animals that are so different from her own character? What might the poet be suggesting, through this difference?

Q16. Consider the following statements about Measles-Rubella (MR) vaccination.

1. Rubella is a mild viral infection that occurs most often in children and young adults.

2. Rubella infection during pregnancy can cause abortion, stillbirth and may lead to multiple birth defects in the newborn; like blindness, deafness, heart defects; known as Congenital Rubella Syndrome (CRS).

3. India accounts for one-third of all children born worldwide with congenital rubella syndrome (CRS).

Which of the above statements are correct?

Which of the following is not a function of the epidermis?

Study the cycle shown below and select the option which gives correct words for all the four blanks A, B, C and D.

Given below are six sentences with sentences $S_1$ and $S_6$ fixed, and four jumbled sentences at the intermediate stage.



$S_1:$ Different countries show a different pattern of growth.

$P:$ Many others have a high birth rate with a low death rate.

$Q:$ Some have a high birth rate and still have a high death rate.

$R:$ The developing countries show the most rapid growth rate.

$S:$ Some others like the European nations, have a low birth rate and a low death rate.

$S_6:$ Compared to this in Europe, the growth rate is low.



Which of the following is the correct sequence of the sentences?

Which glands secrete hormones directly into the blood stream?

Which type of photosynthetic reaction will involve the splitting of water and the release of oxygen

Choose the correct option with respect to the assertion and reason given.

Assertion [A]: During fertilisation, generally one zygote is formed from which the foetus develops.

Reason [R]: The follicles other than graafian follicle degenerate in a process called follicular atresia.

Question 43

In the following crosses write the characteristics of the progeny

$\begin{array}{cc}Cross& Progeny\\ \left(a\right)RRYYxRRYY& \\ Round,yellowRound,yellow& .......\\ \left(b\right)RrYyxRrYy& \\ Round,yellowRound,yellow& .......\\ \left(c\right)rryyxrryy& \\ wrinkled,greenwrinkled,green& .......\\ \left(d\right)RRYYxrryy& \\ Round,yellowwrinkledgreen& .......\end{array}$

Which of the following is considered as the first hominid?

The fungi, the filamentous algae, the protonema of mosses, all easily multiply by ___.

The main function of gas vacuoles is to