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Water potential in closely placed cell (p, q, r) is given below. Find out correct direction of water movement

$\begin{array}{ccc}\text{Cell}& \text{Osmotic Potential}& \text{Prssure Potential}\\ & \text{(MPa)}& \text{(MPa)}\\ \text{P}& \text{- 0.21}& \text{0.05}\\ \text{Q}& \text{-0.22}& \text{0.02}\\ \text{R}& \text{-0.23}& \text{0.05}\end{array}$

(A) p $\to$ q (B) q $\to$ r (C) r $\to$ p (D) r $\to$ q

Integral proteins are made up of

Identify the mis- matching set.

Pinnae are present in

Three copies of chromosome – 21 in a child with down’s syndrome have been analysed using molecular biology technology to detect any possible DNA polymorphism with reference to different alleles located on chromosome – 21. Results showed that out of 3 copies 2 of the chromosomes of the child contain the same alleles as one of the mother’s alleles. Based on this, when did the non – disjunction event most likely occur?

A tall violet flowered plant (TTVV) is crossed with a dwarf white flowered plant (ttvv). When the $F_1$ plants are self-pollinated, a total of 1600 $F_2$ plants are produced. How many plants of $F_2$ generation are similar to the original parents in terms of both genotype and phenotype?

Mention the function of
the following

(a) Ureters in frog

(b) Malpighian tubules

(c) Body wall in earthworm

A male human is heterozygous for autosomal genes A and B and is also hemizygous for hemophilic gene h. What proportion of his sperms will be abX^h?

Amniota includes

Devlopment of zygote result in formation of:

In the pelvic girdle of man A, B, C, D and E respectively represent;

Which of the following is mainly produced by the activity of anaerobic bacteria on cowdung?

Banana has multicostate or unicostate venation

Which of the following does not act as a neurotransmitter?

Before antibiotics were discovered, which of these were the methods by which diseases were dealt with?

The richest sources of Vitamin B12 are

Question 40
Differentiate between the events of mitosis and meiosis.

Sexually transmitted diseases (STDs) are infections that can be transmitted -

Water vapor exits and CO2 enters a leaf through the

During the transmission of nerve impulse through a nerve fibre, the potential on the inner side of the plasma membrane has ____ type of electric change.

In which of the following examples of fruits does the thalamus not contribute to the fruit formation?

In which of the following parts of our body can we find cartilage?

Which of the following properites of DNA polymerise necessitates the requirement of RNA primer in DNA replication?

What differs within a DNA molecule?

Discontinuous variations are:

S - G + S’ → S + S’ – G

Which enzyme has catalysed the above

Which of the events listed below occur in the light reactions of photosynthesis?

Match the hormones mentioned in column I with the functions listed in column II and select the right answer containing the correct matching of the alphabets of the two columns

$\begin{array}{cccc}& \text{Column-I Hormones}& & \text{Column-II Functions}\\ A& \text{Glucagon}& e& \text{Stimulates speramatogenesis}\\ B& \text{Progesterone}& f& \text{Increases blood sugar}\\ C& \text{Testosterone}& g& \text{Maintains pregnancy}\\ & & h& \text{Stimulates ovulation}\end{array}$

Cell sap is a:

The lens of many vertebrate eyes is a crystallized form of a protein that also functions in digestion as a metabolic enzyme. This shows that
A. Vision and digestion co-evolved
B. Digestion necessarily evolved prior to vision since it is a more basic function
C. Evolution in opportunistic
D. Vision and digestion evolved around the same time

What happens when the members of the same genus but different species interbreed?

DNA fingerprinting refers to

AIDS disease was first reported in