Question # 1

What happens when a mismatched blood group is injected in recipient?

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Antibodies of the recipient's blood destroy donor's RBCs

Antibodies of the donor's blood breakdown recipient's RBCs

Both of these can happen

None of these and such transfusion can be safe

Zaccharia Janssen and Hans Janssen were two ___________ eye glass makers.

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German

Dutch

British

America

In which of the following steps of respiration, CO2 is produced?

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Glycolysis

Krebs cycle

Electron trransport

All of these

Plasma constitute about ............. %.

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50%

55%

40%

45%

Carbon Dioxide is almost .......... percent in air.

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0,01

0.3

0,03

0.1

The connection between stomach & esophagus is called ............. sphincter.

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Cardiac

Muscular

Both

None

Find the correct statement.

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Homologous chromosomes form pairs during mitosis

Chromosomes do not duplicate in the interphase preceding meiosis-I

Homologous chromosomes form pairs during mitosis but not mitosis

Spindles are not required during meiosis

There areas where living organisms interct with non -livnig components of the environment are called.

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Population

Community

Ecosystem

Species

Which one are the sites of protein synthesis?

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Nucleus

Mitochondria

Endoplasmic reticulum

Ribosomes

A certain organism is multicellular, adapted for photosynthesis, and has multicellular sex organs. To which kingdom does it belong?

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Animalia

Fungi

Plantae

Protista

During S-phase ..................... occurs.

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DNA replication

Protein synthesis

RNA transcription

Enzyme synthesis

Scientific name of pea plant is.

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Dilbergia Sisso

Pisum indicum

Homosaplens

pisum Sativum

Histology is scientific study of

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Organs

Cellss

Muscles

Tissues

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