Biology (Grade 9 - 12)
- 1.
How does the intensity of simple diffusion vary in relation to the concentration gradient of the moved substance?
- 2.
What is the completing sequence of nitrogen-containing bases for a AGCCGTTAAC fragment of a DNA chain?
- 3.
What are your classroom rules?
- 4.
What you would like to see in a model classroom?
- 5.
Which of the following chromosomal alterations would you expect to have the most drastic consequences?
- A.
inversion
- B.
duplication
- C.
translocation
- D.
deletion
Correct Answer
D. deletion -
- 6.
The most common lethal genetic disease in the United States is_____________.
- A.
sickle-cell anemia
- B.
Cystic fibrosis
- C.
Huntington’s disease
- D.
Hemophilia
Correct Answer
B. Cystic fibrosis -
- 7.
Ram and Nidhi are apparently normal, but their daughter was born with alkaptonuria, an inherited metabolic disorder. If alkaptonuria is like most human hereditary disorders, the probability of their next child being born with alkaptonuriais.
- A.
0
- B.
1/4
- C.
1/2
- D.
2/3
Correct Answer
B. 1/4 -
- 8.
A heritable feature is a ________________ and may have two or more variants called_____________.
- A.
trait/characteristics
- B.
Character/traits
- C.
Character/factors
- D.
Trait/factors
Correct Answer
B. Character/traits -
- 9.
Why is sickle cell disease so called?
- A.
because it makes people sick
- B.
its named after a special type of white blood cell
- C.
pH changes in the blood cells make them collapse into a sickle shape
- D.
because its caused by an infectious microorganism that has sickle shaped cells
Correct Answer
C. pH changes in the blood cells make them collapse into a sickle shape -
- 10.
How many map units is a recombination frequency of 5 percent equal to?
- A.
2.5 centimorgans
- B.
10 centimorgans
- C.
5 centisturtevants
- D.
5 centimorgans
Correct Answer
D. 5 centimorgans -
- 11.
Which of the following human genetic disorders is sex linked?
- A.
hemophilia
- B.
PKU
- C.
Cystic fibrosis
- D.
Achondroplasia
Correct Answer
A. hemophilia -
- 12.
A gene is a section of DNA that codes for a protein, this unique sequence of bases will code for the production of a unique protein is:
- A.
Exon
- B.
Intron
- C.
Regulatory sequence
- D.
None of these
Correct Answer
A. Exon -
- 13.
The functional unit of contractile system in striated muscle is__________________.
- A.
Myofibril
- B.
Cross bridges
- C.
Z band
- D.
Sarcomere
Correct Answer
D. Sarcomere -
- 14.
CD40 ligand is seen only on_____________.
- A.
Macrophages
- B.
Cytotoxic T cells
- C.
Helper T cells
- D.
Dentritic cells
Correct Answer
C. Helper T cells -
- 15.
High titres of antinuclear antibodies are indicative of______________________.
- A.
Parasitic infections
- B.
Fungal disease
- C.
Autoimmune diseases
- D.
Bacterial diseases
Correct Answer
C. Autoimmune diseases -
- 16.
Which of the following is not true about helper T cells?
- A.
They function in cell mediated and hormonal responses
- B.
They are activated by polysaccharide fragments
- C.
They bear surface CD4 molecules
- D.
They are subject to infection by HIV
Correct Answer
B. They are activated by polysaccharide fragments -
- 17.
The PCR techniques was developed by_______________.
- A.
Kary Mullis
- B.
Kohler
- C.
Milstein
- D.
Altman
Correct Answer
A. Kary Mullis -
- 18.
PCR is a_______________.
- A.
DNA degradation technique
- B.
DNA amplification technique
- C.
DNA sequencing technique
- D.
All of these
Correct Answer
D. All of these -
- 19.
Which of the following statement is true regarding PCR?
- A.
billions of copies of desired DNA can be synthesized from microgram quantities of DNA
- B.
Automated PCR machines are called thermal cyclers
- C.
A thermostable DNA polymerase is required
- D.
All of these
Correct Answer
D. All of these -
- 20.
The musaquaticus is the source of_____________.
- A.
Taq polymerase
- B.
Vent polymeras
- C.
Both a and b
- D.
Primase enzyme
Correct Answer
A. Taq polymerase -
- 21.
All the following are thermostable polymerases except__________________.
- A.
Taq polymerase
- B.
Vent polymerase
- C.
DNA polymerase III
- D.
Pfu polymerase
Correct Answer
A. Taq polymerase -
- 22.
Which of the following mineral element facilitates insulin binding to cell receptor site?
- A.
Zinc
- B.
Selenium
- C.
Copper
- D.
Chromium
Correct Answer
D. Chromium -
- 23.
ATP concentration is maintained relatively constant during muscle contraction by___________.
- A.
Increasing the metabolic activity
- B.
The action of creatine phosphokinase
- C.
The action of adenylate kinase
- D.
all of the above
Correct Answer
D. all of the above -
- 24.
The cones of retina __________________.
- A.
Are responsible for colour vision
- B.
Are much more numerous than rods
- C.
Have red, blue and green light- sensitive pigment that differ because of difference in the retinal prosthetic group
- D.
Do not use transducing in signal transduction
Correct Answer
A. Are responsible for colour vision -
- 25.
An effective teacher is one who can___________________.
- A.
Control the class
- B.
Give more information in less time
- C.
Motivate students to learn
- D.
Correct the assignments carefully
Correct Answer
C. Motivate students to learn -
- 26.
Which of the following indicates evaluation?
- A.
Ram got 45 marks out of 200
- B.
Mohan got 38 per cent marks in English
- C.
Shyam got First Division in final examination
- D.
All the above
Correct Answer
D. All the above -
- 27.
Team teaching has the potential to develop___________________.
- A.
Competitive spirit
- B.
Co-operation
- C.
The habit of supplementing the teaching of each other
- D.
Highlighting the gaps in each other’s teaching
Correct Answer
C. The habit of supplementing the teaching of each other -
- 28.
Which of the following statement is not correct?
- A.
Lecture Method can develop reasoning
- B.
Lecture Method can develop knowledge
- C.
Lecture Method is one way process
- D.
During Lecture Method students are passive
Correct Answer
A. Lecture Method can develop reasoning -
- 29.
The base on which the subject activities and experience are planned is called_______________.
- A.
Course
- B.
Behaviour
- C.
Design
- D.
Logical
Correct Answer
A. Course -
- 30.
A child has nail-biting habit in the class. How could you improve his habit?
- A.
You leave it because it is not a dangerous disease
- B.
You attempt to mold his behaviour under strict observation
- C.
You insult him in the class
- D.
You make a complaint with his parent
Correct Answer
B. You attempt to mold his behaviour under strict observation -
- 31.
What will be your duty towards the child who is hearing impaired?
- A.
Recognize the child and manage accordingly.
- B.
You become neutral because it is not your headache
- C.
You send him to specialist for treatment
- D.
You report to teachers, parents and principal to send him to a special school
Correct Answer
A. Recognize the child and manage accordingly. -
- 32.
The main aim of teaching is__________________.
- A.
To develop only reasoning
- B.
To develop only thinking
- C.
Both (A) and (B)
- D.
To give information
Correct Answer
C. Both (A) and (B) -
- 33.
The quality of teaching is reflected________________.
- A.
By the attendance of students in the class
- B.
By the pass percentage of students
- C.
By the quality of questions asked by students
- D.
By the duration of silence maintained in the class
Correct Answer
C. By the quality of questions asked by students -
- 34.
If students alleged you for making favoritism in evaluation, how can you deal with this problem?
- A.
Giving threat to fail them
- B.
Making efforts to reveal the position fairly
- C.
Adopting punitive measures
- D.
Showing the student’s answer-books in order to satisfy them
Correct Answer
D. Showing the student’s answer-books in order to satisfy them -
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Current Version
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Mar 17, 2022Quiz Edited by
ProProfs Editorial Team -
Apr 12, 2014Quiz Created by
Shaziaa
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