Question # 1

Chlorophyll molecule contains except.

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Magnesium

Iron

Calcium

Phosphorus

In hydra ectodermal cells get food from endodermal cells by.

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Osmosis

diffusion

Active transport

Facilitated diffusion

Which one of following is a viral disease

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Cow pox

Tetanus

Meningitis

Typhoid

The pressure flow theory was first proposed in 1930

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Emst hackel

Ernst Munch

Dixon

Hemming

When deprived of oxygen, yeast cells obtain energy by fermentation, producing carbon dioxide, ATP, and

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Acetyl CoA

Ethyl alcohol

Lactate

Pyruvate

A little change in phmay leadsto.

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Effects enzyme only in high concentration

Retarder even block enzyme activity

Ionization of substrate

Ionization of active sites of enzyme

To draw a specific conclusion from some general principal or assumptions is called

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Hypothesis

Deductive reasoning

Inductive reasoning

Theory

A group of similar cells that perform similar function is

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Organ

Organelles

Tissues

System

One of the following is in the order of increasing group size, beginning with the smallest family, kingdom, species, phylum or division, genus, order and class

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Family, kingdom, species, genus

Division, genus, order, class

Class, genus, order, family

Species, genus, order, family

One of the following is a macromolecule.

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Starch

Protein

Cellulose

Glucose

The digestive cacuoles and autophagosomes are also called.

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Primary lysosomes

Secondary Lysosomes

Endocytosis

All above

The living organisms producing their own food.

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Heterotrophs

Consumers

Green plants

Decomposers

Alzhelimer's disease is

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Physical illness

Mental illness

Ronal illness

Pulmonary illness

Thick filament in myofibril is made up of

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Myosin

actin

Tropomyosin

Troponin

In xerosere, polytrichum and tortula represent.

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Herbaceous stage

Moss stage

Follage lichen stage

Crustose lichen stage

If the condon consisted of only two nucleotides, there would be how many possible condons?

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4

8

₂₀

16

The collenchymatous cells are highly lignified and found in the.

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Hydrotropism

Thigmotropism

Geotropism

Phototropism

In honey bee, males are haploid and produce sperms by.

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Mitosis

Meiosis

Apomixis

Parthenogenesis

Which of the following hormones is not released by the anterior pituitary?

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Melanocyte - releasing hormone

Gonadotropin-releasing harmone

Thyroid- stimulating hormone

Growth hormone

A dichromate can perceive two primary colours but is unable to perceive the one whose opsins are missing due to

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Metamorphosis

Transmutation

Alteration

Mutation

The main transmitter for synapses that lie outside the central nervous system is

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Adrenaline

Acetylcholine

Serotonin

Dopamine

Pairing of homologous chromosomes for tetrad formation starts at.

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Leptotene

Zygotene

Diplotene

Pachytene

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