Question # 1

A hypothesis must be testable to be scientifically valid. Being testable means that:

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Some observations could prove that hypothesis is incorect

Only a controlled experiment can indicate whether the hypothesis is correct or incorrect

The hypothesis is proven wrong

The opposite of hypothesis is tested and proven worng

What is the primary nutrient that provides quick useable energy for the body?

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Carbohydrates

Protiens

Lipids

Nucleic acids

Normal rate of heart beat in a healthy human being is ......... beats per minute.

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72

73

70

75

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

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Glycolysis

Krebs cycle

Electron transport chain

All of these

Modern classification (binomial nomenclature) is based on the work of:

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Caesalpino

John Ray

Tournefort

Carolous Linnaeus

The optimum temperature for human enzyme is between:

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10-20°C

20-35°C

35-40°C

5-10°C

In the stomach, pepsinogen is converted into;

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Pepsin

Bicarbonate

HCI

Gastrin

The process of mitosis ensures that:

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Each new cell is genetically different from its parent

Each new cell receives the proper number of chromosomes

Cell will divide at the appropriate time

Chromosomes duplicated without errors.

Scientific name of pea plant is.

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Dilbergia Sisso

Pisum indicum

Homosaplens

pisum Sativum

Which of the following character is not related to Animalia?

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Eukaryotic

Multicellular

Hetrotrophs

Autotrophs

Enatomology is the study of.

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Tissue

Organelles

Insects

Bacteria

Which one of the following stages of cell division is very different for animal and plant cells?

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Prophase

Metaphase

Anaphase

Cytokinesis

The phases of cell cycle are:

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Interphase

Division phase

Both a and b

None

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