The number of isomers possible for the octahedral complex [CoCl₂(en)(NH₃)₂]⁺ is, 

(1) Three 

(2) Four isomers 

(3) Two 

(4) No isomer

In plants, lateral roots arise from 

(1) endodermis 

(2) epidermis 

(3) pericycle 

(4) hypodermis

Desired genes have been introduced into transgenic animals to obtain large scale production of useful biological products encoded by these genes. This approach is generally referred to as 

(1) gene therapy 

(2) hybridoma technology 

(3) down stream processing 

(4) molecular farming

The set A has 4 elements and the Set B has 5 elements then the number of injective mappings that can be defined from A to B is 

(1) 72 

(2) 120 

(3) 144 

(4) 60

Three projectiles A, B and C are projected at an angle of 30°, 45°, 60° respectively. If RA, RB and RC are ranges of A, B and C respectively, then (velocity of projection is same for A, B and C) 

(1) R_A = R_C > R_B 

(2) R_A = R_C < R_B 

(3) R_A = R_B = R_C 

(4) R_A < R_B < R_C

If A is a matrix of order m x n and B is a matrix such that AB’ and B’A are both defined, the order of the matrix B is 

(1) n x n 

(2) m x n 

(3) m x m 

(4) n x m

Identify a micro-organism that can produces biomass of protein. 

(1) Methylophilus methylotrophus 

(2) Monoscus purpureus 

(3) Trichoderma polysporum 

(4) Aspergillus niger

Identify from the following group of animals, which exhibit oestrous cycle.

(1) Monkey, ape, man and elephant

(2) Lion, deer, dog and cow

(3) Lion, dog, monkey and ape

(4) Cow, monkey, elephant and ape

A person who has allergy, the type of antibody produced in his body is 

(1) IgE 

(2) IgA 

(3) 1gM 

(4) IgG

In which type of interactions, both the interacting organisms do not live close together? 

(1) Mutualism 

(2) Predation 

(3) Competition 

(4) Parasitism