Which of the following serve as an important biofertiliser in paddy field?

Tropics have greater biodiversity because:

Eli Lilly, in 1983, developed human insulin using rDT by combining chain A and chain B with:

Choose the correct options about the Diaphragm, a contraceptive device used by females.
A. Made up of rubber
B. Suppress sperm motility and fertilising capacity.
C. Releases hormones to make the uterus unsuitable for implantation.
D. Acts as a physical barrier for sperm entry.
Choose the correct answer from the options given below:

Which one of the given groups of structures are haploid?

In flowering plants, zygote develops into :

Identify the hormone releasing IUDs.

Read the following passage carefully and answer the given questions.
Theory of Evolution
The evolution of life is a gradual process through which simple organisms are transformed into complex life forms over billions of years. It involves genetic changes, adaptation to the environment, and the emergence of diversity in species. Fossil records provide evidence of extinct life forms and transitional stages. Evolution is influenced by factors such as mutation, genetic recombination, and environmental pressure, shaping the biodiversity we see today. Charles Darwin and Alfred Russel Wallace were pioneering naturalists who developed the theory of evolution by natural selection.
According to Darwin, the term 'Fitness' in the context of natural selection refers to:

If \(A\) and \(B\) are invertible matrices then which of the following statement is NOT correct?

Standard reduction electrode potential of four metals A, B, C and D are as follows. The correct order of increasing strength of reducing power is :
(A) Metal A = +0.5 V
(B) Metal B = -3.0 V
(C) Metal C = -1.2 V
(D) Metal D = -2.3 V
Choose the correct answer from the options given below :

The feasible region represented by the constraints \(x+y \leq 50,3 x+y \leq 90, x \geq 0, y \geq 0\) of an LPP is

Arrange the following nuclei in the increasing order of their binding energy per nucleon: \( ^4\text{He}, ^6_3\text{Li}, ^{56}_{26}\text{Fe}, ^{238}_{92}\text{U} \)

In a feedback amplifier, if the feedback voltage is in opposite phase, the gain is less than 1. Then it will: