Ishra

Ojasvi

Asked: February 26, 2021In: Class 12 Biology

Discuss with your teacher and find out how to distinguish between (a) Plasmid DNA and Chromosomal DNA (b) RNA and DNA (c) Exonuclease and Endonuclease

NCERT Solutions for Class 12 Biology Chapter 11 Biotechnology: Principles and Processes Important Board Questions Biotechnology: Principles and Processes NCERT Books for Session 2022-2023 CBSE Board and UP Board Question : 12

Ojasvi

Asked: February 26, 2021In: Class 12 Biology

Explain briefly (a) PCR (b) Restriction enzymes and DNA (c) Chitinase

NCERT Solutions for Class 12 Biology Chapter 11 Biotechnology: Principles and Processes Important Board Questions Biotechnology: Principles and Processes NCERT Books for Session 2022-2023 CBSE Board and UP Board Question : 11

Ojasvi

Asked: February 26, 2021In: Class 12 Biology

Describe briefly the following: (a) Origin of replication (b) Bioreactors (c) Downstream processing

NCERT Solutions for Class 12 Biology Chapter 11 Biotechnology: Principles and Processes Important Board Questions Biotechnology: Principles and Processes NCERT Books for Session 2022-2023 CBSE Board and UP Board Question : 10

Ojasvi

Asked: February 26, 2021In: Class 12 Biology

Can you think and answer how a reporter enzyme can be used to monitor transformation of host cells by foreign DNA in addition to a selectable marker?

NCERT Solutions for Class 12 Biology Chapter 11 Biotechnology: Principles and Processes Important Board Questions Biotechnology: Principles and Processes NCERT Books for Session 2022-2023 CBSE Board and UP Board Question : 9

Ojasvi

Asked: February 26, 2021In: Class 12 Biology

Can you recall meiosis and indicate at what stage a recombinant DNA is made?

NCERT Solutions for Class 12 Biology Chapter 11 Biotechnology: Principles and Processes Important Board Questions Biotechnology: Principles and Processes NCERT Books for Session 2022-2023 CBSE Board and UP Board Question : 8

Chaaya

Asked: February 25, 2021In: Class 12 Biology

Find out the role of microbes in the following and discuss it with your teacher. (a) Single cell protein (SCP) (b) Soil

NCERT Solutions for Class 12 Biology Chapter 10 Microbes in Human Welfare Important Board Questions Microbes in Human Welfare NCERT Books for Session 2022-2023 CBSE Board and UP Board Question : 13

Chaaya

Asked: February 25, 2021In: Class 12 Biology

Three water samples namely river water, untreated sewage water and secondary effluent discharged from a sewage treatment plant were subjected to BOD test. The samples were labelled A, B and C; but the laboratory attendant did not note which was which. The BOD values of the three samples A, B and C were recorded as 20mg/L, 8mg/L and 400mg/L, respectively. Which sample of the water is most polluted? Can you assign the correct label to each assuming the river water is relatively clean?

NCERT Solutions for Class 12 Biology Chapter 10 Microbes in Human Welfare Important Board Questions Microbes in Human Welfare NCERT Books for Session 2022-2023 CBSE Board and UP Board Question : 11

Chaaya

Asked: February 25, 2021In: Class 12 Biology

Microbes can be used to decrease the use of chemical fertilisers and pesticides. Explain how this can be accomplished.

NCERT Solutions for Class 12 Biology Chapter 10 Microbes in Human Welfare Important Board Questions Microbes in Human Welfare NCERT Books for Session 2022-2023 CBSE Board and UP Board Question : 10

Chaaya

Asked: February 25, 2021In: Class 12 Biology

Do you think microbes can also be used as source of energy? If yes, how?

NCERT Solutions for Class 12 Biology Chapter 10 Microbes in Human Welfare Important Board Questions Microbes in Human Welfare NCERT Books for Session 2022-2023 CBSE Board and UP Board Question : 9

Chaaya

Asked: February 25, 2021In: Class 12 Biology

What is the key difference between primary and secondary sewage treatment?

NCERT Solutions for Class 12 Biology Chapter 10 Microbes in Human Welfare Important Board Questions Microbes in Human Welfare NCERT Books for Session 2022-2023 CBSE Board and UP Board Question : 8

Ishra

Discuss with your teacher and find out how to distinguish between (a) Plasmid DNA and Chromosomal DNA (b) RNA and DNA (c) Exonuclease and Endonuclease

Explain briefly (a) PCR (b) Restriction enzymes and DNA (c) Chitinase

Describe briefly the following: (a) Origin of replication (b) Bioreactors (c) Downstream processing

Can you think and answer how a reporter enzyme can be used to monitor transformation of host cells by foreign DNA in addition to a selectable marker?

Can you recall meiosis and indicate at what stage a recombinant DNA is made?

Find out the role of microbes in the following and discuss it with your teacher. (a) Single cell protein (SCP) (b) Soil

Microbes can be used to decrease the use of chemical fertilisers and pesticides. Explain how this can be accomplished.

Do you think microbes can also be used as source of energy? If yes, how?

What is the key difference between primary and secondary sewage treatment?

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