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Published on: 27/05/2021
QB365 Provides the NCERT Exemplar Question Papers for Class 11 Biology , and also provide the detail solution for each and every ncert exemplar papers. Ncert Exemplar papers will help to get more idea about question pattern in every exams and also will help to get more marks in Exams
Download CBSE Class 11th Standard CBSE Biology question papers, sample papers, important questions, and previous year solved papers in PDF format. Get free study materials, NCERT solutions, and exam preparation resources for Class 11th Standard CBSE Biology
Questions + Answers key
Take MCQ Biology Test1.
Provide appropriate technical term
(a) free-floating form of Cnidaria
(b) Stinging organ of jellyfishes
2.
What is the importance of pneumatic bones and air sacs in Aves?
3.
Give one example each for an animal possessing placoid scales and that with cycloid scales
4.
Given below are types of cells present in some animals each one is specialised to perform a single function.
(a) choanocytes
(b) interstitial cells
(c) gastrodermal cells
(d) nematocytes
5.
Give an example of animal which exhibits alternation of generation.
6.
Identify the animal in which adults exhibit radial symmetry and larvae exhibit bilateral symmetry?
7.
What is the role of radula in Mollusca?
8.
In some animal groups, the body is found to be divided into compartments with at least some organs/organ repeated. Name this characteristic feature.
9.
Body cavity is the cavity present between the body wall and gut wall. In some animals, the body cavity is not lined by mesoderm, Such animals are called ______.
10.
Which of the following statements is incorrect?
In cockroaches and prawns excretion of waste material occurs through Malphigian tubules.
In Ctenophora,locomotion is mediated by comb plates.
In Fasciola, flame cells take part in excretion.
Earthworms are hermaphrodite and yet cross-fertilisation takes place among them
1.
(a) Medusa
(b) Cnidoblast
2.
(i) Pneumatic bones are light but strong, this feature helps birds in flight
(ii) Air sacs increase the efficiency of respiration and provide buoyancy to the animal
3.
Placoid scales - Scoliodon (dog fish)
Cycloid scales - Labeo ( rohu)
4.
Interstitial cells are reserve cells in coelenterates.They are also called as totipotent cells and can be converted into any type of cells or into a full of organism.
5.
Obellia,shows alternation if asexual and sexual phases in its life cycle.
6.
In Eichnodermata, the adults are radially symmetrical and larvae are bilaterally symmetrical.
7.
Radula is the rasping organ that helps in feeding.
8.
It is the segmentation that simultaneously divides body both externally and internally and is also called metamerism.
9.
(a)
Pseudocoelomates.
10.
In cockroaches, excretion occurs through Malphigian cells and in prawns it occurs through green glands.
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