Question # 1

The heart of the fist is single circuit and the blood flows in

Choose an answer

Two direction

One direction

One and two direction

Reverse direction

Mosquito Injects___ into human body.

Choose an answer

Merozoites

Gametocytes

Sporozoites

Oocytes

Temperature causes closure of stomata.

Choose an answer

30-40 ^oC

30-35^oC

40-45^oC

25-35^oC

One of these is an early reptile

Choose an answer

Platy pus

Archaeopterye

Varanope

snake

Energy poor inorganic oxidized compounds are reduced to energy rich carbohydrates duirng.

Choose an answer

Photosynthesis

Growth

Respiration

Development

The main processes involved for getting the material into and out of cells are

Choose an answer

Diffusion and osmosis

Active and passive transport

Endocytosis and exocytosis

All above

Entamoeba histolytic causes amoebic

Choose an answer

^cholera

Fever

dysentery

Migraine

Polytrichum is a.

Choose an answer

Moss

Hornword

Liverworts

Clab moss

In the lytic cycle of a bacteriophage, the host DNA is

Choose an answer

Replicated

Turned off by a protein coat

Digested into its nucleotides

Turned on by the removal of a protein coat

The process that most likely/directly enables a root cell to absorb minerals by active transport and enable a muscle cell to contract is

Choose an answer

Circulation

Excretion

Respiration

Assimilation

Carcinogentic aflatoxins are produced by.

Choose an answer

Aspergillus

Penicillium

Neurospora

Ustilago

Ecosystem present on land or soil is called.

Choose an answer

Terrestrial

Atmosphere

Lithosphere

Both a and c

A pair of kidneys, consist of millions of functional units called.

Choose an answer

Nephrons

Dendrons

Neurons

Flatrons

A group of bacteria that can tolerate temperate upto 120 ^oC

Choose an answer

Eubacteria

Mycoplasma

Archaebacteria

E.Coli

The fusion of four posterior vertebrae present in the pelvic region from.

Choose an answer

Sacrum

Lumber

coccys

Chest cage

Lutinizing hormone induces.

Choose an answer

Menstruation

Menopause

Ovulation

Oogenesis

The macronutrient in biogeochemical cycle is.

Choose an answer

Iron

Iodine

Zinc

Calcium

The average rainfall is between 750 - 1500 mm in

Choose an answer

Temperate deciduous forests

Coniferous alpine and boreal forests

Tropical rain forests

Grassland ecosystem

The stage in which Lichens are just like crumpled leaves attached to one point.

Choose an answer

Moss stage

Crustose Lichen stage

Follage Lichen stage

Shrub stage

How many million nucleotides are in DNA of typical human chromosome

Choose an answer

140

160

180

200

Cytokinins delay the aging of fresh leaf crops such as cabbage and lettuce as well as keeping flowers

Choose an answer

Attached

Fresh

Delayed

Open

At cytokinesis in plants a membrane structure phragmoplast is formed from vesicles which originate from

Choose an answer

Lysosomes

Centrioles

Golgi complex

Glyoxisomes

More Classes

Other Links

Biology Life Science Test Medium Mode MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer