Identity the statements which are true for figure 'X' and 'Y' ?
(A) Figure 'X' shows an ideal pyramid of energy
(B) Figure 'X' shows sharp decrease in biomass at higher trophic levels.
(C) Figure 'Y' shows pyramid in which a small standing crop of primary producers support a large standing crop of primary consumers.
(D) Figure 'Y' shows the flow of energy in a pyramid.
Choose the correct answer from the options given below:

HIV attacks which one of the following cells?

Identify the statements which are not true with respect to transgenic animals?
(A) Transgenic mice are used to test the safety of polio vaccine.
(B) Transgenic animals are less sensitive to toxic substance than normal animals.
(C) The milk produced by the first transgenic cow contain human ßlactalbumin.
(D) Transgenic animals can produce useful biological products.
Choose the correct answer from the options given below:

Out of following plants, which one is not browsed by cattle :

ABO blood groupings are controlled by the gene I. This 'ABO' blood grouping in human beings is an example of -

The triple fusion in angiosperms results in the development of:

Completion of the first meiotic division of the primary oocytes takes place -

Which of the following statements are incorrect?
(A) In bacteria, Bt toxin exists as inactive protoxin
(B) Due to alkaline pH in the gut, the toxin is converted into its active form
(C) The toxin is already present in active form in bacteria
(D) The inactive toxin binds to the surface of midgut and causes cell swelling and lysis.
Choose the correct answer from the options given below :

The correct increasing order of basic strength of amine is :
(A) \(\text{C}_6\text{H}_5\text{NH}_2 < \text{NH}_3 < \text{C}_6\text{H}_5\text{CH}_2\text{NH}_2 < \text{C}_2\text{H}_5\text{NH}_2 < (\text{C}_2\text{H}_5)_2\text{NH}\)
(B) \(\text{NH}_3 < \text{C}_6\text{H}_5\text{NH}_2 < \text{C}_6\text{H}_5\text{CH}_2\text{NH}_2 < \text{C}_2\text{H}_5\text{NH}_2 < (\text{C}_2\text{H}_5)_2\text{NH}\)
(C) \(\text{C}_6\text{H}_5\text{CH}_2\text{NH}_2 < \text{C}_6\text{H}_5\text{NH}_2 < \text{NH}_3 < \text{C}_2\text{H}_5\text{NH}_2 < (\text{C}_2\text{H}_5)_2\text{NH}\)
(D) \(\text{C}_2\text{H}_5\text{NH}_2 < (\text{C}_2\text{H}_5)_2\text{NH} < \text{C}_6\text{H}_5\text{NH}_2 < \text{NH}_3\)
Choose the correct answer from the options given below :

Match List-l with List-ll

List-l (Name of the gene)	List-II (Encodes)
(A) 'i'	(I) Permease
(B) 'z'	(II) Repressor
(C) 'y'	(III) Transacetylase
(D) 'a'	(IV) β- Galactosidase

Choose the correct answer from the options given below:

A transformer with turns ratio \( \frac{N_1}{N_2} = \frac{100}{1} \) is connected to a 240 V ac supply. If the primary and secondary resistance are \( 1.0 \text{ k}\Omega \) and \( 1 \ \Omega \) respectively, then find the output power ?

Match List-I with List-II

List-I	List-II
(A) Contracting of eye ball	(I) Myopia
(B) Controls the shape of eye lens	(II) Cornea
(C) Elongation of eye ball	(III) Ciliary muscle
(D) Controls the light entering in eyes	(IV)Hypermetropia

Study the following figure and answer the questions:

Which one is NOT the feature of genetic code?