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11th Biology Model Exam

St. Britto Hr. Sec. School - Madurai

11th Biology Model Exam-Aug 2020

Time : 3.00 Hours

Part - A

Multiple Choice Question - Answer All Question

_________is also called as "Ray Fungi".

Basidiomycetes
Deutromycetes
Actinornycetes
Oomycetes

Match the following.

A) Phylloclade i) Oxalis

B) Cladode ii) Fragaria

C) Runner iii) Eichhornia

D) Stolon iv) Chrysanthemum

E) Sucker v) Asparagus

F) Offset vi) Opuntia

A - vi), B - v), C- i), D - ii), E- iv), F - v)
A - i), B - ii), C- iii), D - iv), E- v), F - vi)
A - iii), B - iv), C- v), D - vi), E- i), F - ii)
A - vi), B - v), C - iv), D - iii), E -ii), F - i)

An average, a healthy human breathes ___________ times/minute.

12-16
13-17
12-18
10-16

_______is also called voluntary neural system.

Autonomic neural system
Somatic neural system
Sympathetic neural system
Para sympathetic neural system

The capacity of cranium is __________cm cube

a)1400 b) 1500 c) 2500 d) 1300

_________ is largely used for population genetics studies.

Amplified Fragment Length Polymorphism
Random Amplified Polymorphic DNA
DNA barcoding
Paul Hebert

Match the following.

1. Phormium (i) Alkaloid

2. Colchicum (ii) Vegetable

3. Asparagus (iii) Fishing nets

4. Urginea (iv) Raticide

1 2 3 4

i iii iv ii
1 2 3 4

iii i ii iv
1 2 3 4

iv ii iii i
1 2 3 4

iv i ii iii

Drupe has _________

hard epicarp
hard endocarp
hard mesocarp
no epicarp

Mating between the male lion and female tiger results in:

Mule
Tigon
Liger
Felis

_________________is also called as animal starch.

Amylose
Glycogen
Glucose
Glycerol

Polyadelphous condition is found in:

Leguninaceae
rutaceae
compositae
Liliaceae

Identify a character which is not related to phytohormones.

Phytohormones are inorganic in nature.
They influence physiological activities
They are required in trace quantities
They are produced in tips of roots and stems

In Morus, the wood is described as ___________

soft wood
heart wood
non porous wood
porous wood

Duck-billed platypus is a connecting link between

Reptile & bird
Living and non-living
Reptile & mammal
Echinodermata & chordate

The division of angiosperme is achieved by:

floral characters
anatomy
physiology
ecology

Algae have cell wall made up of

Cellulose, galactans and mannans
Cellulose, chitin and glucan
Cellulose, Mannan and peptidoglycan
Muramic acid and galactans

Anthocyanin formation is not related to deficiency of __________

Potassium
Nitrogen
Phosphorous
Magnesium

___________________ is a small, dense, spherical structure.

Chromosome
Euchromatin
Heterochromatin
Nucleolus

Pappus is seen in __________

Potato
Hibiscus
Papaya
Tridax

Normal urea level in human blood is about_______________

20-23 gms / 100 mL
17-30 mg / 100 mL
17 - 25 gms / 100 mL
15- 25 mg / 100 mL

The metacentric chromosomes are shaped___________

L
V
J
I

______________ is bell shaped calyx.

campanulate
Urceolate
Tubular
Petaloid

Which one of the following is a rod-shaped bacteria?

Coccus
Bacillus
Spirillum
Vibrio

When more than one specimen cited by the author in the protologue ______.

Holotype
Isotype
Lectotype
Syntype

The seven kingdom system of classification was proposed by _________

Coral Woese
R.H. Whittakar
John ray
Cavalier Smith

The book titled The Evolution and classification of flowering plants was written by ..............

Bentham
Cronquist
Engler
Hooker

The term DPD was coined by ______

Renner
Munch
Dixon
Meyer

Which one of the following is belongs to the members of Chlorophyceae?

Green algae
Brown algae
Red plants
All the above

Bicarbonate formed inside erythrocytes moves out to plasma while chloride of plasma pass into erythrocytes. The phenomenon is called

Bicarbonate shift
Carbonation
Hamburger phenomenon
None of the above

Plaque is caused by ___________.

Vibrio cholerae
Salmonella
Yersinia pestis
Clostridium

Part - B

Generic 2 - Answer All Question

Compare septicidal and loculicidal

What do you know about clone dolly?

Name the salivary glands.

How can we classify fruits?

Is bacterial photosynthesis similar to photosynthesis in higher plants? Reason out.
List out the 11 classes of Algae.

What is Richmond Lang effect?

List out the external factors / stimuli influencing plants.

Ascomycetes are called sac fungi. Give reason.

What do you know about Helicoid?

What are underground stems? Give Examples.

What is DCMI?

What is TCA cycle or citric acid cycle?

Heart wood is more useful than sap wood. Justify

What is biradial symmetry?

Describe Adolph Engler and Karl A Prantl system of classification.

What are hypsophylls or bract leaves?

What is locule ? Classify them.

What are Buds?

Write the term about Stamen Insertion.

Name the three types of petals in papilionoceous corolla.

Part - C

Generic 3 - Answer All Question

Draw the structure of TMV and label the parts.

Name the stages of metamorphosis in frog.

How Digestion process takes place in Common Indian Frog.

Draw a papilionaceous corolla.

How are the angiosperm woods classified based an seasonal changes.

What is meant Rhizome? Give atleast three example.

Write the general characters of cephalochordates.

Distinguish between Monotypic genus and polytypic genus

Write short notes on nitrogen norcosis.

What are the features of systematics?

Write the necessary steps to prepare herbarium specimen.

How are cladistic classify organisms?

Describe Palmately reticulate venation. Mention its types with example.

Write the general characters of the class osteichthyes.

Write the external apertures found in the body of an earthworm with neat sketch.

Part - D

Generic 5 - Answer All Question

List out the Plant diseases and Animal diseases caused by Bacteria.
Write an essay on Beneficial activities of fungi.

Explain different types of stem.

Explain the various stages under Meiosis II-Reduction Division

Explain Depolarization in the conduction of nerve impulse.

Diseases caused by Fungi In Human beings and Plants

Describe the structure of Chloroplast.

Write a note on Nitrogen metabolism.

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