Question # 1

In experiments to show transpiration from lead surfaces cobalt chloride paper changes its colour from:

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Pink to blue

Blue to pink

Pink to colourless

Colourless to pink

You are testing a hypothesis; "students learn more if they drink tea before sitting for study". Your 20 experimental students drink tea before study;

You test their learning by giving question. Your 20 students of the control group should have all experimental conditions identical to the experimental group EXCEPT that:

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They should take tea

They should take tea before as well as during study

They should not take tea before studing

They should not sit for studing

If you observe a cell like this one, what phase of mitosis is it?

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Anaphase

Telophase

Metaphase

Prophase

Healthy person's blood should be ____________ from plasmodium.

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Full

Half

Free

None

There are ___________major types of animals cells.

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1

2

3

4

Light reaction takes place in the ...... of chloroplast.

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Granum

Strome

Intergrana

All

All ............. cells are always performing functions.

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Living

Non-living

Both

None

The ileum is about ................ meters long.

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2.6

2.5

2.4

2.3

_______________ are present in mitochondria .

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Cristae

Cistae

Cristernae

All

In carbohydrates the ratio of hydrogen two oxygen atoms is ................ .

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1:2

2:1

2:2

3:2

The size of a virus is _____________

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40-50 nm

20-40 nm

10-40 nm

30-50 nm

Which diisease is caused by Streptococcus pneumoniae:

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Bronchites

Emphysema

Pneumonia

Asthema

In which succulent organs present?

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Hydrophytes

Mesophytes

Xerophytes

Halophytes

the actual location of gene on chromosome is:

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Locus

Karyotype

Chromatids

Centromere

Cutting of walls of Alveoli called:

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Pneumonia

Emphysema

Bronchtis

Asthama

Specific sequence of DNA nucleotides is copied in the form of mRNA in a process.

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Replication

Translation

Inheritance

Transcription

The parts of the body which receive massages from coordinator and produce particular responses are called:

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effectors

coordinators

neurons

hormones

Dominant alleles are represented by ______ letter and recessive alleles by _____ letter.

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Capital lowercase

Lowercase, capital

Lower case, lowercase

Capital, capital

Largest unit of Ecology is.

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Species

Community

Ecosystem

Biosphere

Ovule after ripening make :

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Fruit

Seed

Root

Egg

Aspirin belongs to the group of.

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Derived from Animals

Derived from plants.

Synthetic Drugs

Derived from bacteria.

Vector DNA and Gene of interest, collectively called.

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Gene

Recombinant Gene

Recombinant DNA

GMO

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