Question # 1

Bacteriophage replicates only in ____________ cells.

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Animal

Plant

Bacteria

None of these

Photosynthetic pigments organized into clusters are called.

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Tkoids

Photosynthesis

Stroma

Granna

Members of phylum cryophyte are common called.

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Brown algae

Red algae

Diatoms

Dinoflagellates

Algae whose cell wall consist of two shells overtax like betray dish.

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Dinoflagellotes

diatoms

euglenoids

Cillates

Many human become ill from consuming milk and milk products because they lack

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Bacteria in their intestine

Rennin

Lactase

Hydrochloric acid

Emphysema is the breakdown of

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Trachea

Bronchi

Alveoli

Bronchioles

The volume of air taken inside the lungs and expelled during exercise is about

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2.5 liters

3.5 liters

4.5 liters

1.5 liters

The branch of biology which deals with the study of environmental relations of organisms is called.

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Morphology

Histology

Parasitology

Ecology

Internal morphology is also called.

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Physiology

Histology

Anatomy

Paleontology

The study of distribution of animals in nature is called.

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Biodiversity

Zoogeography

Geography

Wild life

Funaria is an example of.

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Hepaticopside

Bryopsida

Anthoceropsida

Psilophyta

What will occur if a drug at the neuromuscular junction blocks the receptors sites on the post-synaptic membrane?

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Inhibition of Acetylchlorine release

Muscle contraction

Muscle paralysis

Release of calcium ions

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

Excretory structure present in cockroach are.

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Contractile vacuole

Malpighian tubules

Nephridia

Flame cells

Sunkens stomata are found in which of the following group of plants.

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Hydrophytes

xerophytes

Bryophytes

Mesophytes

Mountain of Karakoram are located in major terrestrial ecosystem in Pakistan.

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Grass land

tundra

Coniferous alpine forest

Temperate deciduous forest

Trial and error learning has no role in

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Operant learning

Classical conditioning

Insight

Imprinting

First essential phenomenon of meiosis i.e pairing of homologous Chromosomes called synapsis starts in

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Leptotene

Zygotene

Pachytene

Diplotene

Nuclear membrane disorganizes at the beginning of

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Prophase 1

Metaphase 1

Anaphase 1

Telophase 1

The idea of endosymbiont was purposed by.

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Cuvler

Lyell

Malthus

Marglls

The corpus luteum is formed at the site of

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Fertilization

Ovulation

Mensturation

Implantation

Action of the venus fly trap is

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Nyctinasty

Photonasty

Haptonasty

Thermonasty

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