Flower is said to be ____________ when it contains all four whorls.

1. Ostiole

2. Coenanthium

3. Complete

4. Incomplete

____________ chromosomes become visible as long thin thread like structure.

1. Prophase

2. Metaphase

3. Anaphase

4. Telophase

Filament is continued from the base to the apex of anther ____________.

1. Basifixed

2. Dorsifixed

3. Versatile

4. Adnate

Crossing over involves ______

1. Exchange of genetic material

2. Deletion of chromosomes

3. Duplication of chromosomes

4. Addition of chromosome

Tube feet are the characteristic structures of

1. jellyfish

2. starfish

3. cuttlefish

4. crayfish

Carpels are obliquely placed in_______.

1. Fabaceae

2. Solanaceae

3. Liliaceae

4. Apocyanaeae

Stomata of a plant open due to

1. Influx of K⁺

2. Efflux of K⁺

3. Influx of Cl^-

4. Influx of OH^-

The white muscle fibres are deficient in_________________

1. Sarcomere

2. Myoglobin

3. Myofibril

4. Actin

Which is the fastest growing cyanobacteria

1. Halobacterium

2. Methanobacterium

3. Spirulina

4. Thermoprotens

The arrangement of leaf on stem is_________.

1. Ligule

2. Stipule

3. Phyllotaxy

4. Venation

In small intestine, active absorption occurs in case of

1. Glucose

2. Amino acids

3. Na+

4. All the above

Which among the following, Microtubles are formed?

1. G₀

2. G₁

3. S

4. G₂

Living thing is otherwise called as ___________

1. Organ

2. Organelle

3. Organism

4. Cell

In fish breeding, induced breeding involves removal of ____________________

1. Pituitary gland

2. Thymus-gland

3. Pineal gland

4. Thyroid gland

Which one is a simple protein?

1. Albumin

2. Nucleoprotein

3. Lipoprotein

4. Glycoprotein

The formation of____________is catalysed by the enzyme carbonic anhydrase in RBCs

1. carbonates

2. carbamino haemoglobin

3. carbonic acid

4. bicarbonates

There are ___________ pairs of thoracic nerves.

1. 8

2. 5

3. 1

4. 12

___________ sps is an endophyte in coralloid roots of Cycas.

1. Gloeocapsa

2. Scytonema

3. Nostoc

4. Azolla

_________ activate genes.

1. Kinases

2. Cyclins

3. GD phase

4. Histones

Each compound dichasium consists of seven flowers _______________.

1. Simple dichasium

2. Compound dichasium

3. Polychasial cyme

4. Thyrsus

During vigorous exercise, the tidal volume of each respiration is about this much times higher:

1. 6 times

2. 10-12 times

3. 4-10 times

4. more than 5 times

Blue green algae is otherwise called ___________.

1. Xanthophyceae

2. Batillariophyceae

3. Cyanophyceae

4. Myxophyceae

_____________________is the outermost layer made up of calcium, and magnesium pectate.

1. Cell wall

2. Primary wall

3. Secondary wall

4. Middle lamellae

__________ are small, sharp structure which are the outgrowth from epidermal cells of stem.

1. Phyllode

2. Prickles

3. Hooks

4. Tendrils

Pairing of homologous chromosomes takes place and it is known as synapsis in  ____________.

1. Leptotene

2. Zygotene

3. Pachytene

4. Diplotene

Which of the following is also called as direct division?

1. Amitosis

2. Meiosis

3. Mitosis

4. Reduction division

Petals fused to form urn-shaped or pot-shaped ____________.

1. Rotate

2. Hypocrateriform

3. Urceolate

4. Bilabiate

Longer than the corolla tubeand project out _________________.

1. Heterostemonous

2. Inserted

3. EXserted

4. Monothecal

The functioning of _____________ glands regulates serum calcium levels.

1. Thyroid

2. Pituitary

3. Thymus

4. Parathyroid

Match the following

A. Collar bone	i. Carpals
B. Wrist bones	ii. Humerus
C. Forearm	iii. Clavicle
D. Upperarm	iv. Radius

1. A	B	C	D
   i	iii	iv	ii

2. A	B	C	D
   i	ii	iv	iii

3. A	B	C	D
   iii	i	iv	ii

4. A	B	C	D
   iii	iv	ii	i

Polytene Chromosomes are formed by ______

1. Mitosis

2. Mitosis

3. Endomitosis

4. Meiosis

_______ classifying organisms into monophyletic group of a common ancestor.

1. Cladistics

2. Cladogram

3. Taxonomic aids

4. Classification

The stage between two meiotic divisions is called

1. Karyokinesis

2. cytokinesis

3. Interphase

4. Interkinesis

The protein present in the thick filament is

1. myosin

2. actin

3. pectin

4. leucin

The longest axons in the body.are those of the _________nerve.

1. Cranial

2. Sciatic

3. Vagus

4. Trochlear

The ladder like structure found in spirogyra is due to:

1. Asexual reproduction

2. Lateral conjugation

3. Direct conjugation

4. Sealiriform conjugation

The telophase stage of mitosis is ______

1. The last stage of karyokinesis

2. More or less opposite of prophase stage.

3. The stage where spindle fibres are absorbed in cytoplasm

4. All of the above

Identify the wrong statement with reference to Diffusion
i) It is seen in gases and liquids.
ii) It is a active process and hence no energy expenditure is required.
(iii)The rate of diffusion is determined by concentration gradient.
(iv) It is independent of the living system.

1. ii and iii

2. i and iv

3. ii only

4. i only

Floral parts in three or multiples of three__________.

1. Anisomerous

2. Bimerous

3. Trimerous

4. Tetramerous

The number of ATP molecules formed by complete oxidation of one molecule of pyruvic acid is

1. 12

2. 13

3. 14

4. 15

A plant with both male flowers and bisexual flowers ___________.

1. Monoecious

2. Dioecious

3. Andromonoecious

4. Gynomonoecious

Give an example for cuboid symmetry.

1. Adeno virus

2. Influenza virus

3. TMV

4. Bacteriophage.

It is a one seeded fruit which develops from a monocarpellary, superior ovary_____________.

1. Achene

2. Cypsela

3. Caryopsis

4. Nut

In .............. the fruits are geocarpic.

1. Arachis

2. Desmodium

3. Cicer

4. Phaseolus

Ribosomal biogenesis occur at _________

1. Mitochondrion

2. Polysomes

3. Nucleolus

4. Chromosomes

What is the seed of Solanaceae?

1. Didynamous

2. Berry

3. Capsule

4. Endospermous

Torus refers to ___________

1. receptacle

2. stigma

3. pedicel

4. leaf base

Root buttress are seen in _________.

1. Bombax

2. Neem

3. Banyan

4. Mango

match the following

A) Vacuoles	i) Krebs cycle
B) Centrioles	ii) Castor seeds
C) Sphaerosomes	iii) Tubulin
D) Glyoxysomes	iv) Oil seeds
E) Mitochondria	v) Tonoplast

1. A - v), B - iii), C- iv), D - ii), E - i)

2. A - i), B - ii), C - iii), D - iv), E - v)

3. A - v), B - iv), C- Hi), D - ii), E - i)

4. A -i), B - v), C -iii), D - iv), E - ii)

________________is an example for polycarpic perennial

1. Peas

2. Fennel

3. Agave

4. Sapota

Pick the incorrect statement of significance of meiosis:

1. maintain definite constant number of chromosome

2. Adaption of organism to various stress

3. crossing over takes place

4. The chromosome number increases in the organism.

____________ is a DNA-Protein complex present in the centromere DNA.

1. Metaphase plate

2. Kinetochore

3. Anaphase-promoting complex cyclosome

4. Anaphase promoting complex

The locomotory organ of earthworms is

1. appendages

2. setae

3. tubefeet

4. legs

_____________ are modified stomata.

1. Guard cells

2. Bulliform cells

3. Motor cells

4. Hydathodes

_____________received a nobel prize for his work on concept of oxidation and phosphorylation in mitochondria.

1. Krebs

2. Koch

3. Peter Mitchel

4. Dickens

The silk glands are ___________ glands

1. sweat glands

2. salivary glands

3. oral glands

4. digestive glands

Which organelle is present in higher number in secretory cell

1. Mitochondria

2. Chloroplast

3. Nucleus

4. Dictyosomes

Stone wort refers to _____

1. Chara

2. Gelidium

3. Anabaena

4. Chlamydomonas

The trachea is supported by the

1. long structure

2. cartilage

3. multiple cartilaginous rings

4. ligaments

__________ chemical components act as inhibitor of the mitotic cell division.

1. Meiosis

2. Mitogen

3. Mitotic poisons

4. Endomitosis

Exchange of gases in lung alveoli occurs through

1. Active transport

2. Osmosis

3. Simple diffusion

4. Passive transport

Sir Hans Kreb, was born in_____________.

1. Austria

2. England

3. Germany

4. USA

Which type of DNA was described by Watson & Crick?

1. Z-DNA

2. a-DNA

3. B - DNA

4. A - DNA

DNA hybridization is helpful to

1. Identify an individual from a sample of DNA

2. Detect difference in homologous DNA sequences

3. Measure the degree of genetic similarity between pools of DNA sequences

4. Amplify a specific gene

_________ observed correlation between respiration and anion absorption.

1. Lundegardh

2. Donnan

3. Bennet

4. Overton

In Legume,  leaf base becomes broad, thick and swollen is _________.

1. Petolate

2. Petole

3. Cladode

4. Pulvinus

___________ is a membrane associated with the eye.

1. Tectorial membrane

2. Basilar membrane

3. Conjunctiva

4. Reisner's membrane

___________ introduced the concept of Binomial nomenclature.

1. Linnaeus

2. Gaspard Bauhin

3. Darwin

4. Wallace

Ptyalin is inactivated by a component of gastric juice called

1. Pepsin

2. HCI

3. Rennin

4. Mucus

F.E.Fritsch classified the algae into ______ classes.

1. 7

2. 10

3. 8

4. 11