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Published on: 11/11/2020
11th Standard Zoology - Organ and Organ Systems in Animals English Medium Free Online Test One Mark Questions 2020 - 2021
Download Tamil Nadu 11th Standard Biology question papers, model tests, one-mark questions, important questions, and public exam papers in PDF format. Free study materials and answer keys for TN State Board students.
Questions + Answers key
Take MCQ Biology Test1.
State whether the statement is true or false
To sustain themselves, earthworms must guide their way through the soil using their powerful muscles. They gather nutrients by ingesting organic matter and soil, absorbing what they need into their bodies.The two ends of the earthworm can equally ingest soil.
True
False
2.
In the mouth parts of cockroach _____________ helps in grinding of food.
maxilla
labium
mandible
labrum
3.
In cockroach the elytra arises from ______________
prothorax
mesothorax
metathorax
labium
4.
In earthworm the female genital aperture lies on the ventral side in the ___________ segment.
15th
14th
10th
12th
5.
Identify the feature of frog which is absent in human beings
Aorta is present.
Circulatory system is closed type.
Sinus venosus is a triangular chamber present in the heart.
Blood contains RBC.
6.
The number of hepatic caecae in a cockroach is __________
6
8
10
12
7.
Choose the wrong statement among the following :
In earthworm, a single male genital pore is present.
Setae help in locomotion of earthworms.
Muscular layer in the body wall of earthworm is made up of circular muscles only
Typhlosole is part of the intestine of earthworm
8.
Kidney of frog is _____.
Archinephros
Pronephros
Mesonephros
Metanephros
9.
The head region of Cockroach, _______ pairs of _____ and shaped eyes occur.
One pair, sessile compound and kidney shaped
Two pairs, stalked compound and round shaped
Many pairs, sessile simple and kidney shaped
Many pairs, stalked compound and kidney shaped
10.
The clitellum is a distinct part in the body of earthworm Lampito mauritii, it is found in?
Segments 13 - 14
Segments 14 - 17
Segments 12 - 13
Segments 14 - 16
1.
(b)
False
2.
(c)
mandible
3.
(b)
mesothorax
4.
(b)
14th
5.
(c)
Sinus venosus is a triangular chamber present in the heart.
6.
(b)
8
7.
(c)
Muscular layer in the body wall of earthworm is made up of circular muscles only
8.
(c)
Mesonephros
9.
(a)
One pair, sessile compound and kidney shaped
10.
(b)
Segments 14 - 17
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Tamilnadu Stateboard 11th Standard Subjects
Maths
Commerce
Economics
Biology
Business Maths and Statistics
Accountancy
Computer Science
Physics
Chemistry
Maths
Biology
Economics
Physics
Chemistry
History
Business Maths and Statistics
Computer Science
Accountancy
Computer Applications
History
Computer Technology
Commerce
Computer Applications
Computer Technology
Tamil
English
French
Tamilnadu Stateboard Standards
