Question # 1

________ is incorrect about guard cells.

Choose an answer

Have chloroplasts

Bean shaped

Connected to surrounding cells by plasmodesmata

surrounding stoma

Scientific name of Planaria is.

Choose an answer

Taenlasolium

Fasciola hepatica

Dugesia

Schistosoma

The vertebrates in which placenta is formed during the development of foetus are known as

Choose an answer

Pisces

Aves

Mammals

None of these

The larvae such as bipinnarial and brachloria develop in members of phylum

Choose an answer

Cnidaria

Mollusca

Echinodermata

Annelida

________ has eight eyes.

Choose an answer

Lamprey

Snake

Bat

Spider

The respiratory system is most efficient in ______

Choose an answer

Man

Bird

Fish

Snake

The factory of ribosome is the

Choose an answer

Chloroplast

Nucleolus

Mitochondria

Vacuole

The animal which feed on organic debris are

Choose an answer

Herbivores

Carnivores

Omnivores

Detrivores

The product of succinic acid by the action of enzyme is.

Choose an answer

Citric acid

Pyruvic acid

Malonic acid

Fumaric Acid

The animals having structurally and functionally intermediate teeth between herbivores and carnivores are

Choose an answer

Insectivores

Detritivores

Saprozoic

Omnivores

Tiny thin walled ducts called parabronchi are present in the lungs of.

Choose an answer

Mammals

Reptile

Birds

Amphibians

The cross which is used to find out the homozygous or heterozygous nature of the genotype is called.

Choose an answer

Test cross

Reciprocal ross

Monohybrid corss

Dihybrid cross

The decline in thickness of the ozone layer is caused by increasing level of

Choose an answer

Chlorofluorocarbon

Nitrogen

Chlorine

Carbon dioxide

If fertilization does not occur the corpus luteum starts

Choose an answer

Progesterone

Menstrual cycle

Degenerating

Regenerating

Littoral invertebrate animals include

Choose an answer

Small crustaceans

Insect larvae

Snail flatworms

All a,b,and c

Arginase splits the arginine to form ure and the percusor.

Choose an answer

Omithine

Creatinine

ammonia

Citruline

Crossing over occurs during.

Choose an answer

Leptotene

Pachytene

Zygotene

Anaphase

Which of the following is K bone of axial skeleton.

Choose an answer

Humerus

Femus

Tibia

Rib

Study of different communities with relation to environment is called.

Choose an answer

Synecology

Embryology

Autecology

Zoology

In ascidian fertilized egg, yellow cytoplasm gives rise to

Choose an answer

Larval epidermis

Muscle cells

Notochord

Gut

Fruit ripening is often accompanied by burst of respiratory activity called.

Choose an answer

Apomixes

Climacteric

Endosperm

Photoperiodism

In which developmental stage, germ layers are formed.

Choose an answer

Cleavage

Blastula

Gastrula

Organogenesis

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