Question 1:

A bicollateral vascular bundle has which of the following arrangement of tissues?

1) Outer phloem - outer xylem - middle cambium - inner xylem - inner phloem
2) Outer cambium - outer phloem - middle xylem - inner phloem - inner cambium
3) Outer phloem - outer cambium - middle xylem - inner cambium - inner phloem
4) Outer xylem - outer cambium - middle phloem - inner cambium - inner xylem

Question 2:

Dermal scales characterise

1) Amphibia
2) Mammals
3) Reptiles
4) Fishes

Question 3:

Canal system in Leucosolenia is
1. Asconoid
2. syconoid
3. Leuconoid
4. Rhagon

Question 4:

In Ascaris only the anterior part of the testis is functionable such a gonad is known as
1. Monorchic
2. Telogonic
3. Didelphic
4. Metagonic

Question 5:

Which one exhibits the character of a protozoan during one phase of it's life cycle and character of fungi in another phase of its cycle?

1) Water molds
2) Psilophyta
3) Slime molds
4) Diatoms

Question 6:

The information in a genetic nucleic acid resides in 

1) The number of nucleotides
2) The kind of nucleotides
3) The sequence nucleotides
4) All of the above

Question 7:

The anti B antibody produced by the antigen B causes clumping of cells which is known as
 1) Polymorphism
 2) Agglutination
 3) Co-dominance
 4) Polygenic innheritence

Question 8:

In Pisum sativum the number of contrasting characters observed by mendel are
 1) Three
 2) seven
 3) eight
 4) four

Question 9:

The principles of heredity were rediscovered by
 1) Devries, Corens, & Von Tschermak
 2) Margon, Robertson
 3) Watson, Robert Brown
 4) Robert Cook, Robertson

Question 10:

The telomeres of eukaryotic chromosomes consist of short sequences of 

1) Cytosine rich repeats
2) Adenine rich repeats
3) Thymine rich repeats
4) Guanine rich repeats

Question 11:

The Gynoecium of the family Musaceae is

 1) tricarpellary trilocular Syncarpous with inferior ovary
 2) tricarpellary mono locular  Syncarpous with superior ovary
 3) tricarpellary mono locular  Syncarpous with inferior ovary
 4) tricarpellary trilocular Syncarpous with superior ovary

Question 12:

In Bryophyte the male sex organ (antheridium) consists of

1) Somewhat elongated, swollen sac borne on a more or less slender stalk
2) Flask shaped structure, the swollen basal portion of which is termed the venter and the upper portion the neck
3) Single microspore mother cell
4) An annulus

Question 13:

If the mouth of frog is kept open for some time, it dies because it is unable to

1) Eat
2) Drink
3) Breath
4) None

Question 14:

The resolving power of a compound microscope will increase with

1) decrease in wavelength of light and increase in numerical aperture

2) increase in wavelength of light and decrease in numerical aperture

3) increase in both wavelength of light and numerical aperture 

4) decrease in both wavelength of light and numerical aperture

Question 15:

Failure of chromosomes to segregate properly is known as

(1) Nondisjunction

(2) Synaptonemal couple

(3) Translocation

(4) Karyotype

Question 16:

Receptors of bitter taste on human tongue are located on-

(1) Front area

(2) Each side

(3) Back portion

(4) Front-middle area

Question 17:

Prosthetic group of many conjugated protein component is-

(1) Globin

(2) Porphyrin

(3) Cyanin

(4) None of these

Question 18:

Paneth cells are found in-

(1) Pancreas

(2) Spleen

(3) Crypts of Lieberkuhn

(4) Brain

Question 19:

Basket cells are found in-

(1) Cerebrum

(2) Cerebellum

(3) Hypothalamus

(4) Medulla oblongata

Question 20:

Shivering in cold winter is caused by-

(1) Voluntary action of striated muscles

(2) Voluntary action of unstriated muscles

(3) Involuntary action of striated muscles

(4) Involuntary action of unstriated muscles

Question 21:

Muscles of alimentary canal are chiefly-

(1)Striated and neurogenic

(2) Unstriated and neurogenic

(3) Striated myogenic

(4) Unstriated myogenic

Question 22:

The climatic conditions characteristics for taiga forest is

(1) Cold winter

(2) Cool summer

(3) Rainfall ranges between 40-100 em/year

(4) All of the above

Question 23:

 In which phase of mitosis the chromosomes are arranged around the equator of the spindle?

(1) Prophase (2) Anaphase

(3) Telophase (4) Metaphase

Question 24:

New systematics based on genetic interrelationship is

(1) Experimental taxonomy

(2) Chemotaxonomy

(3) Cytotaxonomy

(4) None of the above

Question 25:

Isomorphic alternation of generation is found in

1) Ulva
2) Spirogyra
3) Sargassum
4) Oedogonium

Question 26:

An earth worm has
1. one eye
2. Two eyes
3. Many eyes
4. No eye

Question 27:

Formation of primitive streak in the developing chick embryo is the sign of-

(1) Gastrulation

(2) Blastulation

(3) Notogenesis

(4) Neurilation

Question 28:

The mitochondrial DNA differs from the nuclear DNA in

(1) Lack of binding histones

(2) Being linear

(3) Being highly coiled and twisted

(4) Having A = T and G=C

Question 29:

Anal cerci are present in
1. Only in female cockroach
2. Only in male ascaris
3. Only in male cockroach
4. In both male and female cockroach

Question 30:

Peritrophic membrance is formed around the food in the

1). Mouth
2). Crop
3). Mesenteron
4). Colon

Question 31:

In man sperms move after ejaculation at a rate of nearly
1. 2 to 4 mm/minute
2. 2 to 4 feet/minute
3. 2 to 4 inches/minute
4. 2 to 4 cms/minute

Question 32:

The term 'Protista' was given by
1. Carolus Linnaeus
2. John Ray
3. Georges Leopold Cuvier
4. Ernst Haeckel

Question 33:

Hydrogen donor in photosynthesis of purple// green sulphur bacteria is

1) H₂S
2) H₂O
3) NH₃
4) H₂SO₃

Question 34:

The vascular cambium normally gives rise to

1) Phelloderm
2) Primary phloem
3) Secondary xylem
4) Periderm

Question 35:

Eukaryotic cilium and flagellum are related with-

(1) Actin

(2) Myosin

(3) Tubulin

(4) Histone

Question 36:

Which of the following is called living fossil?

(1) Sphenodon

(2) Latimaria

(3) Heloderma

(4) Both (1)and (2)

Question 37:

Acne vulgaris, which affects face of most teenagers and many adult humans, is caused by the infection of-

(1) Ceruminous glands

(2) Sebaceous glands

(3) Meibomian glands

(4) None of these

Question 38:

Starch sheath is present in

1) Dicot stem
2) Monocot stem
3) Dicot root
4) Monocot root

Question 39:

The Casparian bands found in the endodermal cells of roots are made up of
 
1) cellulose
2) suberin and lignin
3) lignin     
4) cutin

Question 40:

Which among the following are the examples of class Aves?

1) Parrot
2) Owl
3) Kite
4) All of the above

Question 41:

Flame cells are excretory organ of 

1) Planaria
2) Hydra
3) Hydrilla
4) Cockroach

Question 42:

In earthwarm blood from seminal vesicle is collected by
1. Ventral vessel
2. Dorsal vessel
3. Lateral oesophageal vessel
4. Supra- oesophageal vessel

Question 43:

How many mutations have been reported in Drosophila now?
 1) 300
 2) 500
 3) 200
 4) 400

Question 44:

 In aquatic ecosystems the region that is not affected by temperature is the
1. epilimnion
2. hypolimnion
3. metalimnion
4. all of these

Question 45:

Hormone Parathormone and insulin contain Amino acids number respectively
 1) 60;41 amino acids
 2) 70; 61 amino acids
 3) 80; 51 amino acids
 4) 51; 80 amino acids