Bacillus thuringiensis produces Bt toxin crystals it does not kill the bacterium itself as the toxin is in the:

In a typical test cross:

Sparrow comes under which of the following categories:

Which one of the following is not an example of narrowly utilitarian reason to conserve biodiversity?

In RNA interference (RNAi) genes are silenced using :

The chromosomal disorders are caused due to absence, excess or abnormal arrangement of one or more chromosomes. Failure of segregation of chromatids during cell division results in the gain or loss of chromosome(s), called aneuploidy.
Which of the following statements are correct with respect to the humans suffering from the disorder?
(A) One in every 800 live births shows this karyotype
(B) The affected individual has 45 chromosomes.
(C) Non-disjunction of chromosomes at the time of gamete formation causes this disorder.
(D) In this disorder, individual has 45 autosomes
Choose the correct answer from the options given below:

Identify the statement which do not hold true for Deoxyribose Nucleic Acid.
A. Only purine bases are present in DNA.
B. Deoxyribose sugar is present
C. A nitrogenous base is linked to the \(1^{\prime} C\) pentose sugar through N- glycosidic linkage.
D. Phosphate group is linked to OH of \(4 ^{\prime} C\) of a nucleotide.
Choose the correct answer from the options given below:

Let \(A=\left[\begin{array}{ccc}1 & -2 & 3 \\ 1 & 2 & 1 \\ \lambda & 2 & -3\end{array}\right]\). If \(A^{-1}\) does not exist, then \(\lambda=\)

The flowers which do not open at all are known as:

A telescope has an objective lens of focal length 150 cm and an eyepiece of focal length 5.0 cm. The magnifying power of the telescope is

A piece of machinery is bought for Rs. 50,000
In the first year, it depreciates by 15%
In each subsequent year, the depreciation rate increases by 5%
Find the value of the machinery after 3 years

The association of Glomus with roots of higher plants is known as ___________ .

In a transistor :
(A) one of the outer layers is heavily doped and is called collector
(B) one of the outer layers is heavily doped and is called emitter
(C) the middle layer is very lightly doped and is called base
(D) one of the outer layer is moderately doped and is called emitter
(E) one of the outer layer is moderately doped and is called collector
Choose the correct answer from the options given below :