Question # 1

Fern prothallus is

Choose an answer

sporophyte

saprophyte

Gametophyte

Seed

The cells which supply ATP and proteins to sleve tubes are.

Choose an answer

Companion

Trachelds

Vessels

epidermal

Single circuit heart is found in.

Choose an answer

Fishes

Bird

Reptiles

Mammals

In the binomial system of taxonomy, the first word of an organism's name is its

Choose an answer

Species

Genus

Race

Family

Mammals become dominant in

Choose an answer

Paleozoic period

Mesozoic period

Coenozoic period

Proterozoic period

The fluid filled region of the chloroplast is.

Choose an answer

Matrix

cisternae

Stroma

cytoplasm

Respiratory pigment present in muscles is called ______

Choose an answer

Myoglobin

Globin

Haemoglobin

Haemocyanin

Which one is an example of non vascular plants.

Choose an answer

Rhynia

Psilotum

Adiantum

Marchantis

Which of the following is a feature of series deuterostomia

Choose an answer

Cleavage of zygote is spiral and determinate

Coelom is formed due to splitting of mesoderm

Mouth arises from blastopore or anterior margin

Mesoderm is derived from wall of developing gut

Number of leqs in Arachnida are.

Choose an answer

2

4

6

8

A quatic arthropods respire through

Choose an answer

Lungs

skin

Gills

Spiracles

Urea is detoxified form of____ in the urea cycle which can be retained in the body.

Choose an answer

Ammonia

Nitrogen

Uric Acid

CO2

DNA Polymerase enzyme was isolated from.

Choose an answer

Viruses

Bacteria

Protozoa

Fungi

Excretory structure present in cockroach are.

Choose an answer

Contractile vacuole

Malpighian tubules

Nephridia

Flame cells

The form of learning which involve a diminish of response to repeated stimuli

Choose an answer

Imprinting

Habituation

Insight learning

Large learning

Germination of some seeds e.g. some lettuce varieties, is promoted by.

Choose an answer

Green light

Blue light

Red light

Violet light

Which prosess is characterized by movement and rearrangement of cells in the embryo

Choose an answer

Blastulation

None of these

Neurulation

Gastrulation

Which one of the following pairs represents analogous features?

Choose an answer

Elephant tusks & Human incisors

Insects wings & bat wings

Mammal fore limb & bird wing

Reptilian heart & mammalism heart

Euglena is able to change its direction by the active contraction of.

Choose an answer

Undulating membrane

Myonemes

Cilium

Flagella

The distinct levels of food chain are called.

Choose an answer

Food chain

Food Web

Trophic level

Energy pyramid

Which one of the following is not an unpaired bone.

Choose an answer

Mandible

Vomer

Nasal

Sphenoid

Labour pains are induced by a hormone.

Choose an answer

ACTH

Oxytocin

Progesterone

Corticosteroid

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