In the female reproductive system, a tiny finger like structure which lies at the upper junction of the two labia minora above the urethral opening is called

Column-I contains larval stages and column-II contains the groups to which the belong. Match them correctly and choose the right answer.

Column-I	Column-II
A. Planula	1. Annelida
B. Tornaria	2. Mollusca
C. Trochophore	3. Arthropoda
D. Bipinnaria	4. Chordata
E. Glochidium	5. Echinodermata
	5. Echinodermata

Internal bleeding, muscular pain, blockage of the intestinal passage and anemia are some of the symptoms caused due to infection by

Plants obtained through tissue culture are genetically identical and they are obtained by somatic cells. What do you call them?

In Bougainvillea and Cucurbita, the axillary bud is modified into thorn and tendril respectively. This is an example of

Oxidative decarboxylation occurs during the formation of

From the following tools/ techniques of genetic engineering, identify those which are required for clonning a bacterial gene in animal cells and choose the correct option:
I. Endonuclease II. Ligase
III. A.tumefaciens IV. Microinjection
V Gene gun VI. Lysozme
VI. Cellulase VIII. Electrophoresis

The property which is not true about Fluorine is,

Match List-I with List-II
\begin{array}{|l|l|l|l|}\hline & \text{List-I (Types of redox reactions)} & & \text{List-II (Examples)} \\\hline \text{a}. & \text{Combination reaction} & \text{(i)} & \mathrm{Cl}_{2(\mathrm{~g})}+2 \mathrm{Br}_{(\mathrm{aq})}^{-} \rightarrow 2 \mathrm{Cl}_{(\mathrm{aq})}^{-}+\mathrm{Br}_{2(\mathrm{l})} \\\hline \text{b.} & \text{Decomposition reaction} & \text{(ii)} & 2 \mathrm{H}_2 \mathrm{O}_{2(\mathrm{aq})} \rightarrow 2 \mathrm{H}_2 \mathrm{O}_{(1)}+\mathrm{O}_{2(\mathrm{~g})} \\\hline \text{c.} & \text{Displacement reaction} & \text{(iii)} & \mathrm{CH}_{4(\mathrm{~g})}+2 \mathrm{O}_{2(\mathrm{~g})} \xrightarrow{\Delta} \mathrm{CO}_{2(\mathrm{~g})}+2 \mathrm{H}_2 \mathrm{O}_{(1)} \\\hline \text{d.} & \text{Disproportionation reaction} & \text{(iv)} & \mathrm{H}_2 \mathrm{O}_{(1)} \xrightarrow{\Delta} 2 \mathrm{H}_{2(\mathrm{~g})}+\mathrm{O}_{2(\mathrm{~g})} \\\hline\end{array}

Choose the correct answer from the options given below.

Some of the steps involved in the productions of humulin are given below. Choose the correct sequence.
(i) Synthesis of gene (DNA) for human insulin artificially.
(ii) Culturing recombinant E.coli in bioreactors.
(iii) Purification of humulin.
(iv) Insertion of human insulin gene into plasmid.
(v) Introduction of recombinant plasmid into E.coli.
(vi) Extraction of recombinant gene product from E.coli.

\(\sec ^2\left(\tan ^{-1} 2\right)+\operatorname{cosec}^2\left(\cot ^{-1} 3\right)=\)

The inverse of the matrix \( \left[\begin{array}{rrr}2 & 5 & 0 \\ 0 & 1 & 1 \\ -1 & 0 & 3\end{array}\right] \) is

Which one of the following gases converts haemoglobin into carboxy haemoglobin?