JAC Model Test Question 2014 : Jharkhand Academic Council

Name of the Organisation : Jharkhand Academic Council (jac.nic.in)
Type of Announcement : Model Test Question – 2014

Model Test Question – 2014 here : http://jac.nic.in/Model_Test_2014.htm
Home Page : http://jac.nic.in/

Download Admit Card Annual Secondary & Intermediate Examination 2014 : https://www.indianjobtalks.in/19331.html

Model Test Question-2014 :
1) Physics https://www.indianjobtalks.in/uploads/19335-1%20Physics(1).pdf
2) Chemistry https://www.indianjobtalks.in/uploads/19335-2%20Chemistry.pdf
3) Biology
a. Botany https://www.indianjobtalks.in/uploads/19335-3%20Botany.pdf
b. Zoology  https://www.indianjobtalks.in/uploads/19335-3%20Zoology.pdf
4) Mathematics https://www.indianjobtalks.in/uploads/19335-4%20Mathematics.pdf

Mock Test-I
Biology
(Optional)
Section – A
(Botany)
Full Marks – 35
Pass Marks – 11½
All questions are Compulsory
Candidates are required to write both the Group and the Question Number in every question attemped.
Instruction :
This question peper consists of four Groups i.e., A,B,C And D.
All groups are compulsory
Select one correct answer:

GROUP – A 1 X 10 = 10
(Multiple choice Question/MCQ/Fill in the blanks/True of False Statements)
1. The Ploidy status of the secondary nucleus before fertilization is :
(a) Haploid (b) Monoploid (c) Diploid (d) Triploid
2. The edible part of the cashew nut is :
(a) Endosperm (b) Cotyledon (c) Mesocarp (d) Epicarp
3. Which of the following is a test cross ?
(a) TT X tt (b) Tt x tt (c) Tt x Tt (d) TT x TT
4. The theory of ‘Natural Selection’ was proposed by :
(a) Lamarck (b) Charles Darwin (c) Hugo de Vries (d) None of the choice
5. The removal of anthers from the bisexual and self pollinated flowers is called :
(a) Anthesis (b) Emasculation (c) Electroporation (d) Fermentation
6. Which of the following is an air pollutant ?
(a) Carbon dioxide (b) Oxygen (c) Carbon monoxide (d) Data

II. Fill in the blanks with the appropriate given option for each question :
7. Banyan and Peepul are ————— (key stone species/corner stone species).
8. EcoR1 is a —————- (Plasmid vector/restriction enzyme.)

III. State True or False for the following statement questions :
9. The Nationality of Gregor Johann Mendel was an Australia. True or False
10. Pollination of Flowers with the help of ants is called Entomophily. True of False.

GROUP – B 2 X 3 = 6
(Very Short Answer type Question Carrying 02 Marks Each)
11. Draw a well labelled diagram of pollen grain showing germ pores.
12. The Full unabridged (expanded) from of PCR and which enzyme is used.
13. The coiling of the B-DNA is ———- (left handed/right handed) and the Z-DNA is —————— )left handed/right handed)

GROUP – C 3 X 3 = 9
(Short Answer type Question Carrying 03 Marks Each)
14. Select the correct match of 1,2 and 3 with the option A,B and C in the given codes :
1. Egg A Triploid
2. Endosperm B Diploid
3. Nucellus C C Haploid
15. Explain the 1 : 2 : 1 ratio of incomplete dominance.
16. What is emasculation ? How it is done and what are the precautions taken for emasculation.

GROUP – D 5 X 2 = 10
(Long/Essay type Question Carrying 05 Marks Each)
17. What is pollination ? What are the benefits of cross pollination. Describe the contrivances of cross pollination.
OR
What are the basic tenets of Mendal’s Laws of Inheritance ? With the help of Punnet Square describe the Dihybrid cross using the garden pea as an example.

18. What are producers ? Outline the role of producers in a forest ecosystem.
OR
What is air pollutions? Mention the names of some air pollutants that bring about physical and chemical changes in the quality of air. How these changes can be controlled.