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Differentiate between nerve cord and notochord.??

Write a short note on:

a) Adaptations of desert plants and animals.

b) Adaptations of plants to water scarcity.

c) Behavioural adaptations in animals.

d) Importance of light on plants.

Ends of all the following shapes are:

Question 49

Differentiate between sclerenchymatous and parenchymatous tissues. Draw well labeled diagram.

Match the following:



$$\begin{array}{cccc}& \text{Parts}& & \text{Functions}\\ \text{a.}& \text{Ovaries}& \text{i.}& \text{Development of baby}\\ \text{b.}& \text{Oviduct (Fallopian tubes)}& \text{ii.}& \text{Transport eggs from ovaries to uterus}\\ \text{c.}& \text{Uterus}& \text{iii.}& \text{Site for semen reception}\\ \text{d.}& \text{Cervix}& \text{iv.}& \text{Produce ova and secrete sex hormones}\end{array}$$

The genotype of $F_1$ hybrid produced by crossing pure yellow round seeded plant with green wrinkled seeded plant is ___.

Match the following related to phenotypes and genotypes of blood groups
$\begin{array}{cccc}& Column-I& & Column-II\\ 1.& A& P.& \left(ii\right)\\ 2.& B& Q.& I^A{I}^A,I^{A}i\\ 3.& AB& R.& I^B{I}^B,I^{B}i\\ 4.& O& S.& I^A{I}^B\end{array}$

Match the following:

One of the legal methods of birth control is

In humans, the chromosome composition of a zygote that will develop into a Down’s syndromic female is

Chondrichthyes can be differentiated from osteichthyes externally by

Ovulation appears to be triggered by a midcycle hike in ______________

Definition of dentin, odonto blast, pulp cavity, blood vessels in simple language

In thylakoids, protons travel through ATP synthase from the stroma to the thylakoid space. Therefore thecatalytic ʺknobsʺ of ATP synthase would be located

write evolutionary history of modern man

Consider the following statements A–D with certain blanks. Find the option which correctly fills up these blanks.
A. The protein portion of enzyme is called --------(i)
B. Prosthetic groups are-------------- (ii) bound to the protein part of enzyme.
C--------- (iii) is the prosthetic group of enzyme catalase.
D----------(iv) are nucleic acids with catalytic power.

equals

A.

B.

C.

D.

Sonalika and Kalyan Sona are high yielding varities of

What do phototropism and geotropism enable plants to do?

Question 12

Pteridophyta do not have



(a) root

(b) stem

(c) flowers

(d) leaves

Match the following

$\begin{array}{cc}Column-I& Column-II\\ A.Budding& 1.Chlamydomonas\\ B.Gemmules& 2.Saccharomyces\\ C.Zoospores& 3.Penicillium\\ D.Conidia& 4.Selaginella\\ & 5.Spongilla\end{array}$

Which of the following is not true about Hemophilia A?

The epithelial lining of the inner wall of the trachea bears cilia. What may be the purpose of this?

is
equal to

A.

B.

C.

D.

The correct pathway of movement of gases in the body is

(a) With the help of well-labelled diagrams, describe the process of plasmolysis in plants, giving appropriate examples.
(b) Explain what will happen to a plant cell if it is kept in a solution having higher water potential.

What are cryptogams and phanerogams? Give examples

If a person’s RBC is not coated with specific glycoprotein then the blood group is

In mosquitoes the mouth parts necessary for sucking blood is found in?

Pick the odd one out

Match the types of algae in column A to their respective pigments in column B:

$\begin{array}{cc}ColumnA& ColumnB\\ p.Greenalgae& i.Chlorophyll\\ q.Redalgae& ii.Fucoxanthin\\ r.Brownalgae& iii.Phycobilin\end{array}$

Callose is found in