Question # 1

The phenomenon associated with root pressure is

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Imbibition

Guttation

Cohesion

Tension

Tay sach's disease in caused by the

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Accumulation of proteins

Accumulation of glycogen

Accumulation of lipids

Accumulation of vitamins

Casparian strips are present in the cells of root.

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Endodermis

Epidermis

Cortex

Pith

Arachis hypogeal to family

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solananceae

Fabaceae

Rosaceae

Poaceae

An enzyme is said to be denatured when

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It has no co-factor

It is in a condition of low temperature

Its structure is destroyed

None of these

50% or so are found as lichens.

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Ascomycota

Basidiomycota

Zygomycotic

Deuteromycete

Organelle _____is concerned with cell secretion.

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Ribosomes

Mitochondria

Centrioles

Golgi complex

In______ leaves the stomata are confined to only the lower epidermis

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Isobilateral

Dorsiventral

Both a and b

None of these

Living genus of psilopsida

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Cooksonia

Psilophyton

Horneophyton

Psilotum

Technically a seed may be defined as a fertilized

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Egg

Oospore

Ovule

None of these

Laminaria is an example of.

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Red algae

Brown algae

Diatoms

Green algae

The mesodermal cells do not invaginate but migrate medially and caudally from both sides and create a midline thickening called.

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Hensen's node

Primitive streak

Hypoblast

epiblast

Human lungs are spongy due to the presence of million of:

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Bronchi

Alveoli

Bronchioles

Trachea

In neurons the message is transmitted across synapse in the form of chemical messenger called.

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Nerve impulse

Synaptic vesicle

Neurotransmitters

Communlaction

Transfer of genetic material from one cell to other that can alter the genetic make up of recipient cell is called.

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Transcription

Replication

Translation

Transformation

In Pakistan among the animals declared extinct is

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White headed duck

Marbled teal

Houbara Bustard

Crocodile

RNA and Protein called.

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Insulin

Tubulin

Actin

Myosin

Ovulation is induced by

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FSH

LH

Progesterone

Estrogen

Flagella may have arisen through the ingestion of prokaryotes similar to spiral shaped bacteria called.

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E. Coli

Streptococcus

spirochete

Rhizobium

Animals inhabiting environment with acute shortage water excrete

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Ammonia

Uric acid

Allantion

Urea

The change of frequency of alleles at locus that occur by chance is called.

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Mutation

Migration

Genetic drift

Selection

Meristem is.

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Fungi free

Virus free

Bacteria free

Pathogen free

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