MDCAT Past Papers Biology Chapter Wise Unit 4 With Keys

MDCAT Past Papers: Applicants to many medical colleges have to take the MDCAT. Biology is one of the things on the test, and it can be hard to do well if you don’t know-how. There are a lot of old tests that you can study so that you are ready for the final and have an edge over your competitors.

When studying for a quiz, the first thing you should do is look at past quizzes on the same topic. So, you will know what kind of questions to expect and when to expect them. If you know what kinds of questions will be on a section, you can work on the skills that will help you get a good score on that section. This will also give you more confidence that you are ready. But it’s important not to do too many MCQs at once; do them quickly and save a couple for the next time. Here are Biology MCQs unit 2

MDCAT Past Papers Biology Chapter Wise Unit 4

MDCAT Past Papers Biology chapter-wise with answer keys. You can read online for entry test preparation. MDCAT Past papers Biology chapter-wise. This is especially important for short-answer questions because some of them might not have a single right answer.

For example, if you are asked to describe how an animal hunts, you could choose either “hide and wait” or “run after prey,” depending on which description fits your chosen animal best. Note that some exam boards don’t let you give more than one answer to MCQs. Before you try any multiple-choice questions, check with your school’s guidance office.

1) Which of the following are colorless? (Entry Test 2009)
a) Chloroplasts
b) Leucoplasts
c) Chromoplasts
d) None of these
2) Which of the following is most slender in structure? (Entry Test 2009)
a) Microtubules
b) Intermediate filaments
c) Microfilaments
d) Both A and B
3) Which of the following modifies proteins and lipids by adding carbohydrates?
(Entry Test 2009)
a) Golgi Apparatus
b) Plasma membrane
c) Polysome
d) None of these
4) The nucleus contains: (NSTC-8-Sample paper 2010-2012)
a) Mitochondria,
b) Cytosol
c) Enzyme
d) DNA
5) Leucoplasts are a kind of (NSTC-8-Sample paper 2010-2012)
a) Lysosomes
b) Chloroplasts
c) Plastids
a) d). Grannum

Biology Chapter Wise Unit 4 Solved MCQs:


6) Vacuole in plants is responsible for: (NSTC-8-Sample paper 2010-2012)
a) Photosynthesis
b) Cellular excretion
c) Turgor pressure
d) Starch storage
7) By which of the following can movements of materials across animal cell membranes be accomplished? (NSTC-8-Sample paper 2010-2012)
a) I Active transport a) I only
b) II Diffusion b) II only
c) III Pinocytosis c) I and II only
d) All of the above
8) Cell membranes are composed of: (NSTC-8-Sample paper 2010-2012)
a) Lipids and proteins
b) Phospholipids
c) Proteins and carbohydrates
d) Lipids and terpenoids
9) A cell wall is present only in all: (NSTC-8-Sample paper 2010-2012)
a) Bacteria
b) Protozoa
c) Algae
d) Viruses
10) Robert Hook was the first person to see cells in: (Entrance Self-Test-2011)
a) Various plants
b) Fungi
c) Animals
d) Cork
11) The concept “OMNIS cellula-e-cellula” means that new cells are formed from (Entrance Self-Test-2011)
a) Non-living material
b) Pre-existing living cells
c) Dead organic matter
d) As a result of chemical reactions
12) In a generalized plant cell the nucleus is: (Entrance Self-Test-2011)
a) Present in the middle of the cell
b) Displaced to the site of the cell
c) Absent
d) Modified into the endoplasmic reticulum
13) Plasma membrane is found in the cells of (Entrance Self-Test-2011)
a) Animals only
b) Plants only
c) Both in plants and animals
d) Bacteria only

Unit 4 MCQs With Keys Fsc Biology-MDCAT 2022-23


14) The semi-circular channels and system of tubes found in the cytoplasm are known as (Entrance Self-Test-2011, 14)
a) Ribosomes
b) Endoplasmic reticulum
c) Glyoxisomes
d) Vacuoles
15) The structures that are involved in the manufacture and supply of energy to the cell are:
(Entrance Self-Test-2011)
a) Centrioles
b) Nucleolus
c) Plastids
d) Mitochondria
16) In a plant cell chlorophyll is present in (Entrance Self-Test-2011)
a) Chromoplasts
b) Stroma
c) Leucoplasts
d) Chloroplasts
17) Ribosomes have an equal amount of (Entry Test 2012)
a) DNA and Protein
b) mRNA and Protein
c) RNA and Protein
d) None
18) Plastids are only found in the: (Entry Test 2012)
a) Animals and plants
b) Plants
c) Animals
d) Viruses
19) Plasma membrane is chemically composed of: (Entry Test 2012)
a) Phospholipids only
b) Lipids and carbohydrates
c) Lipids and proteins
d) Glycoproteins
20) Endoplasmic reticulum contains a system of flattened membrane-bounded sacs which are named (Entry Test 2012)
a) Cristae
b) Cisternae
c) Matrix
d) Tubules
21) Lipids synthesis/metabolism takes place in which of the following organelle? (Entry Test 2012, 13)
a) Mitochondria
b) Vacuoles
c) Rough endoplasmic reticulum
d) Smooth endoplasmic

Biology Solved MCQs From Previous MDCAT Test:


22) Ribosomes exist in two forms, either attached with the RER or freely dispersed in the:
(Entry Test 2012)
a) Tonoplasts
b) Cytoplasm
c) Golgi bodies
d) SER
23) The ribosomal RNA is synthesized and stored in: (Entry Test 2012)
a) Endoplasmic reticulum
b) Golgi complex
c) Nucleolus
d) Chromosomes
24) The ——– model of plasma membrane suggests that proteins are embedded in the lipid bilayer. (Entrance Test-2013)
a) Unit membrane
b) Permeable
c) Fluid mosaic
d) Ultracentrifuge
25) The function of nucleolus is to make: (Entrance Test-2013)
a) rDNA
b) RNA
c) Ribosomes
d) Chromosomes
26) The enzymes of lysosomes are synthesized on: (Entrance Test-2013)
a) RER
b) Chloroplast
c) SER
d) Golgi Apparatus
27) Centrioles are made up of microtubules. (Entrance Test-2013)
a) 9
b) 3
c) 27
d) 12
28) Which of the following structure is absent in higher plants and found in animal cells: (Entrance Test-2013, 17)
a) Centriote
b) Mitochondria
c) Cytoskeleton
d) Cytoplasm
29) The soluble part of cytoplasm or fluid that remains when all organelles are removed is known as: (Entrance Test-2009, 13).
a) Solution
b) Cytoskeleton
c) Gelatin material
d) Cytosol
30) The outer membrane of the nuclear envelope is at places continuous with the: (Entrance Test-2013)
a) Golgi apparatus
b) Lysozymes
c) Endoplasmic reticulum
d) Peroxisomes
31) The process by which unwanted structures within the cell are engulfed and digested within the lysosome is known as (Entrance Test-2013)
a) Endocytosis
b) Hydrolysis
c) Exocytosis
d) Autophagy
32) In mitochondria, small knob-like structures called F1 particles are found in (Entrance Test-2014)
a) Outer membrane
b) Inner membrane
c) Outer compartment
d) Inner compartment

Biology MCQs For Entry Test Preparation 2022-23:


33) Peptidogly can or murein is a special or distinctive feature of the cell wall (Entrance Test-2014)
a) Algae
b) Bacteria
c) Fungi
d) Plants
34) The intake of liquid materials across the cell membrane is: (Entrance Test-2014)
a) Phagocytosis
b) Pinocytosis
c) Endocytosis
d) Exocytosis
35) Which component of the cell is concerned with cell secretions? (Entrance Test-2014)
a) Plasma membrane
b) Cytoskeleton
c) Golgi complex
d) Mitochondria
36) During animal cell division, the spindle fibers are formed from (Entrance Test-2014)
a) Mitochondria
b) Ribosomes
c) Centriole
d) Lysosomes
37) Fluid mosaic model of plasma membrane states that protein molecules float in a fluid of —- layer. (Entrance Test-2015)
a) Galactose
b) Glucose
c) Phospholipids
d) Carbohydrates
38) How many triplets of microtubules are present in centriole? (Entrance Test-2015)
a) Ten
b) Nine
c) Eight
d) Seven
39) Which one of the following cell structures is involved in the synthesis of lipids? (Entrance Test-2015)
a) Endoplasmic Reticulum
b) Golgi complex
c) Centriole
d) Mitochondria
40) Which organelle is bounded by two membranes: (Entrance Test-2015)
a) Ribosomes
b) Lysosome
c) Mitochondria
d) Nucleolus
41) Ribosomes are tiny organelles, which are involved in the synthesis of (Entrance Test-2015)
a) Protein
b) Nucleus
c) RNA
d) Nucleosome
42) The inner membrane of mitochondria from extensive infoldings called: (Entrance Test-2016)
a) Cristae
b) Lamella
c) Cisternae
d) Bifida
43) Which of the following organelle is found in both prokaryotic and eukaryotic cells? (Entrance Test-2016)
a) Centriole
b) Nucleus
c) Endoplasmic Reticulum
d) Ribosome

Important MCQs of Biology For MDCAT 2022-23:


44) Out of the given options, choose the one which shows structures found only in plants: (Entrance est-2016)
a) Vacuole, Chloroplast, Ribosomes
b) Chloroplast, Mitochondria, Peroxisomes
c) Chloroplast, Cell wall, Vacoule
d) Chloroplast, Cell wall, Mitochondria
45) Presence of a large central vacuole is the characteristic of (Entrance Test-2016)
a) Prokaryotes
b) Fungi
a) Protists
c) Plants
46) The basic structure of plasma membrane is provided by: (Entrance Test-2016)
a) Proteins
b) Cytoskeleton
c) Cholesterols
d) Phospholipids
47) The organelles involved in the detoxification of drugs and poisons in the liver cells are: (Entrance Test-2016)
a) Smooth Endoplasmic Reticulum
b) Rough Endoplasmic Reticulum
c) Golgi apparatus
d) Lysosomes
48) Ribosomes present in prokaryotes are: (Entry Test-2017)
a) 80 S
b) 50 S
c) 60 S
d) 70 S

You may also like to read MDCAT past papers Biology MCQs chapter 3. If you are looking for NMDCAT past papers Biology all chapters with answer keys visit this page.

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