Lichens are an example of -

GEAC is:

The process of copying genetic information from one strand of the DNA to RNA is termed as :

The process through which spermatids are transformed into spermatozoa (sperms) is known as:

Progestasert and LNG-20 are the examples of:

Bt toxin is expressed in plants to provide resistance to insects; hence used as a bio-pesticide. Select the correct examples of Bt plants:
(A). Bt Cotton
(B). Bt Rice
(C). Bt Peas
(D). Bt Corn
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Arrange the following events in correct sequence.
A. Formation of zygote
B. Formation of blastocyst
C. Implantation
D. Formation of morula
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Arrange the following steps for working of a full wave rectifier in correct sequence

(A) During the negative half cycle, \( D_1 \) is reverse biased while \( D_2 \) is forward biased.
(B) During the positive half cycle, \( D_1 \) is forward biased while \( D_2 \) is reverse biased.
(C) A pulsating d. c. voltage is obtained across \( R_L \).
(D) a. c. input is given to the primary of a centre-tap transformer.
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When a ray of light is incident on the face AB of prism normally, after refraction it is found to graze the side AC as shown in the figure, the refractive index of the prism is

Nichrome element is used in household appliances because of the following characteristics
1. Its melting point is high
2. Its resistivity is large
3. It is tensile
4. It does not oxidize easily by the oxygen of the air when heated
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Read the passage and answer the following
Microbes are organisms that cannot be seen with the naked eye. They include bacteria, archaea, protists, viruses, prions, and fungi. They account for most of the diversity of life on earth. Far more microbes inhabit a single person's body than there are people on the entire planet. Microbes also dominate in terms of their ability to live and thrive in extreme environments, including clouds, deep-sea volcanoes, springs, ice caps, and animal intestines. Most animals, including humans, exhibit numerous associations with microbes. Our "human microbiome" includes our skin, hair, mouth, and gut.
Which of the following is a non-pathogenic microbe?

Match List I with List II

LIST I	LIST II
A. Papaver somniferum	I. Charas
B. Nicotiana tabacum	II. Heroin
C. Erythroxylum coca	III. Tobacco
D. Cannabis sativa	IV. Cocaine

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Arrange the given steps of menstrual cycle in correct sequence.
(A) Menstruation
(B) Luteal phase
(C) Follicular phase
(D) Next cycle starts
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