IISER MOCK TEST – 1
The Indian Institutes of Science Education and Research (IISER) are among the most prestigious institutions in India, known for their excellence in science education and research. Aspiring to secure a seat in IISER is no small feat, and one of the best ways to prepare is through mock tests. Mock tests are invaluable for understanding the exam pattern, identifying strengths and weaknesses, and building confidence. Let’s dive into how you can master the IISER mock test and enhance your chances of success.
Mastering the IISER mock test is crucial for success. With a well-planned strategy, consistent practice, and a positive mindset, you can achieve your goal. Stay focused, keep practicing, and remember that every mock test brings you one step closer to your dream.
IISER MOCK TEST
- The work done in joules in increasing the extension of a spring of stiffness 10N/cm from 4cm
to 6cm is:
A. 1
B. 10
C. 50
D. 100
2. A radio set of 60 watts runs for 50 hours. How many units of electrical energy are consumed
in kWh?
A. 2kWh
B. 3kWh
C. 4kWh
D. 2.5kWh
3. A block of mass 2kg is held at rest against a rough vertical wall by pressing a horizontal
(normal) force of 45N. Coefficient of friction between wall and the block is equal to 0.5 . Now
a vertically downward force of 15N (tangential to wall) is also applied on the block. Then the
block will:
B. Move horizontally with the acceleration of 5 / S 2
C. Start to move with an acceleration of magnitude 6.25 / S 2
D. Start to move horizontally with acceleration greater then 5 / S 2
4. A bullet fired into a fixed target loses half of its velocity after penetrating 3cm. How much
further it will penetrate (in cm ) before coming to rest assuming that it faces constant
resistance to motion?
A. 3
B. 2
C. 5
D. 1
5. A body starts from rest and is uniformly accelerated for 30Sec. The distance travelled in the
first 10Sec is X 1“,next 10Sec is X2 2 and the last 10Sec is X3. Then X1: X2: X3 is the same as:
A. 1: 2: 4
B. 1: 2: 5
C. 1: 3: 5
D. 1: 3: 9
6. The amount of heat produced in an electric circuit depends upon the current (I), resistance
(R) and time (T). If the error made in the measurements of the above quantities are 2%, 1%
and 1% respectively then the maximum possible error (in %) in the total heat produced will
be
A. 1
B. 2
c. 6
D. 3
Biology
46. The mode of asexual reproduction in penicillium is through
A. Conidia
B. Zoospores
C. Sporangiospores
D. Chlamydospore
47. During the Aerobic respiration the net gain of ATP molecules is
A. 2
B. 10
C. 36
D. 30
48 Pollination through birds is termed as
A. Ophiophily
B. Ornithophily
C. Malacophily
D. Chiropterophily
49. Which of the following statements is incorrect?
A. Microsporangium consist of homogenous mass of meristematic cells called primary
sporogenous cells, which form microspore mother cell (2n).
B. The epidermis of Arheuthobium develops some fibres thickenings called exothecium
C. Cells of tapetum lack cytoplasm and nucleus
D. The middle layer of microsporangium degenerates at maturity
50. Diploid endosperm is found in
A. Oenothera
B. Date palm
C. Ivory palm
D. Castor
51. Which of the following statement is incorrect w.r.t to apomixis?
A. It is a form of asexual reproduction that mimics sexual reproduction
B. In apple and pear, the diploid egg develops into the triploid embryo
C. Asteraceae and grasses involved shows apomixes
D. Opuntia and citrus arise from the diploid saprophytic cell such as nucellus or integuments
52. Which of the following is the incorrect match with respect to vegetative propagules in the
stem?
A. A
B. B
C. C
D. D
53. Chara is an example of
A. Bisexual plant
B. Dioecious plants
C. Monoecious plants
D. Unisexual plant
54. Which of the statement is incorrect about Archaebacteria?
A. It is the oldest fossil
B. The cell membrane contained branched chain lipids, decrease membrane fluidity
C. The cell wall is made up of peptidoglycan
D. They are mostly obligate anaerobes
55 The incorrect statement with regards to Haemophilia is:
A. All the protein which are involved in the clotting of blood is affected, causing continuous
bleeding for longer time
B. It can transmit from normal carrier female to male progeny
C. It is X linked recessive trait
D. It remains latent in carrier females
56. Cell division and xylem differentiation is the function of:
A. Abscissic acid
B. Ethylene
C. Gibberellins
D. Auxin
57. Which of the following is required as an activator for enzymes used in photosynthetic carbon
fixation?
A. Nitrogen
B. Phosphorus
C. Magnesium
D. Oxygen
58 Which form of non- genetic RNA is least stable?
A. r-RNA
B. t−RNA
C. m-RNA
D. S-RNA
59 Which of the following is the incorrect statement?
A. Starting codon of m − RNA is near P site of ribosomes and next codon is near A site
B. Peptide bond take place between COOH 2 group of P site amino acid NH! groups at A site
amino acid.
C. mRNA recognise the smaller sub unit of ribosome with the help of SD and ASD sequence.
D. There is no requirement of UTR region on MRNA during the translation process
60. Which amino acid is specified by single codon?
A. Lucine
B. Methionine
C. Serine
D. Arginine
Solution
Q | ANS | Q | ANS | Q | ANS | Q | ANS | Q | ANS |
1 | A | 13 | B | 25 | B | 37 | B | 49 | C |
2 | B | 14 | B | 26 | D | 38 | C | 50 | A |
3 | C | 15 | A | 27 | A | 39 | A | 51 | B |
4 | D | 16 | D | 28 | D | 40 | B | 52 | D |
5 | C | 17 | A | 29 | C | 41 | C | 53 | C |
6 | C | 18 | A | 30 | D | 42 | C | 54 | C |
7 | B | 19 | C | 31 | B | 43 | A | 55 | A |
8 | C | 20 | A | 32 | D | 44 | C | 56 | D |
9 | D | 21 | C | 33 | A | 45 | D | 57 | C |
10 | A | 22 | C | 34 | B | 46 | A | 58 | C |
11 | A | 23 | C | 35 | C | 47 | C | 59 | D |
12 | D | 24 | A | 36 | B | 48 | B | 60 | B |