Which of the following protocols did aim for reducing emission of chloroflurocarbons into the atmosphere?

NEET-2019 [Environmental-Issues] [class-xii ]

• Geneva Protocol
• Gothenburg Protocol
• Kyoto protocol
• Montreal protocol
Correct Option: D  [ Montreal protocol ]

Remark:

Which one of the following equipments is essentially required for growing microbes on a large scale, for industrial production of enzymes?

NEET-2019 [Environmental-Issues] [class-xii ]

• BOD incubator
• Bioreactor
• Sludge digester
• Industrial oven
Correct Option: B  [ Bioreactor ]

Remark:

Which of these following methods is the most suitable for disposal of nuclear waste?

NEET-2019 [Environmental-Issues] [class-xii ]

• Burry the waste within rocks deep below the Earth's surface
• Dump the waste within rocks under deep ocean
• Bury the waste under Antarctic ice-cover
• Shoot the waste into space
Correct Option: A  [ Burry the waste within rocks deep below the Earth's surface ]

Remark:

Which of the following pairs of gases is mainly responsible for green house effect?

NEET-2019 [Environmental-Issues] [class-xii ]

• Carbon dioxide and Methane
• Nitrogen and Sulphur dioxide
• Oxygen and Nitrogen
• Ozone and Ammonia
Correct Option: A  [ Carbon dioxide and Methane ]

Remark:

Polyblend, a fine powder of recycled modified plastic, has proved to be a good material for:

NEET-2019 [Environmental-Issues] [class-xii ]

• making tubes and pipes
• construction of roads
• use as a fertilizer
• making plastic sacks
Correct Option: B  [ construction of roads ]

Remark:

Which of the following in true for Golden rice?

NEET-2019 [Biotechnology-and-its-applications] [class-xii ]

• It has yellow grains, because of a gene introduced from a primitive variety of rice
• It is drought tolerant, developed using Agrobacterium vector
• It is pest resistant, with a gene from Bacillus thuringiensis
• It is Vitamin A enriched, with a gene from daffodil
Correct Option: D  [ It is Vitamin A enriched, with a gene from daffodil ]

Remark:

Which of the following sexually transmitted diseases is not completely curable?

NEET-2019 [Reproductive-Health] [class-xii ]

• Chlamydiasis
• Genital herpes
• Genital warts
• Gonorrhoea
Correct Option: B  [ Genital herpes ]

Remark:

Which of the following statements is not correct?

NEET-2019 [cell-the-unit-of-life] [class-xi ]

• Lysosomes have numerous hydrolytic enzymes.
• The hydrolytic enzymes of lysosomes are active under acidic pH.
• Lysosomes are membrane bound structures.
• Lysosomes are formed by the process of packaging in the endoplasmic reticulum.
Correct Option: D  [ Lysosomes are formed by the process of packaging in the endoplasmic reticulum. ]

Remark:

From evolutionary point of view, retention of the female gametophyte with developing young embryo on the parent sporophyte for some time, is first observed in:

NEET-2019 [plant-kingdom] [class-xii ]

• Liverworts
• Pteridophytes
• Mosses
• Gymnosperms
Correct Option: B  [ Pteridophytes ]

Remark:

Conversion of glucose to glucose-6-phosphate, the first irreversible reaction of glycolysis, is catalyzed by:

NEET-2019 [Respiration-in-Plants] [class-xi ]

• Hexokinase
• Aldolase
• Enolase
• Phosphofructokinase
Correct Option: A  [ Hexokinase ]

Remark: