CS Executive Tax Laws MCQs Set-8/NEET Biology MCQS Mock Test Paper 37 Sample Test,Sample questions

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Question: 
Activated fatty acid is transported to mitochondria from cytosol by

1. Creatinine

2.Carnitine

3. Creatine

4.Clathrin

Question: 
Algae with motile colony is

1. Nostoc

2.Spirogyra

3.Chlamydomonas

4.Volvox

Question: 
 C4 pathway is a more efficient photosynthetic pathway than C3, because of

1. lower photorespiration rate

2.cells contain more chloroplasts in leaves

3.larger leaf area

4. spore formation

Question: 
 Coenobium refers to

1.a group of filaments

2.Palmelloid form

3.A hollow spherical colony

4.None of these

Question: 
 Find the incorrect match

1.Laminaria – Flattened leaf like thallus

2.Volvox – Colonial, non flagellated

3. Chlorella – Unicellular, non flagellated

4.Chlamydomonas – Unicellular flagellated

Question: 
 Find the incorrect statement about Volvox

1.Sexual reproduction is oogamous

2.true coelom and no metamerism

3.somatic cells are non flagellated

4.phototaxis movement is present

Question: 
 Food reserve in Dinoflagellates is

1.Alginic acid

2.Fucoxanthin

3. Starch

4.Mannitol

Question: 
 In Chlorophyta, structure for protein and starch reserve is

1.Pyrenoid

2. Eye spot

3. Volutin

4.Paramylum

Question: 
 In Lac-operon, the gene product of LacA gene is

1. Beta-galactoside isomerase

2.Beta-galactoside permease

3. Beta-galactoside transacetylase

4. Beta-galactosidase

Question: 
 In which of the following organisms, the cell wall is made up of two overlapping shells?

1. Chrysophytes

2.Euglenoids

3. Slime moulds

4. Dinoflagellates

Question: 
 Ketogenesis occurs primarily in ______ of liver cells

1.Mitochondria

2.Cytosol

3.Endoplasmic reticulum

4.Golgi apparatus

Question: 
 Organs that can utilise energy formed in ketogenesis are

1. Brain

2. Skeletal muscle

3.Heart

4.All of the above

Question: 
 Protozoa are classified on the basis of

1. locomotory organelle

2.shape

3.number of nuclei

4.size

Question: 
 The final product of C4 pathway is

1.Malate

2. Oxalate

3.Acetate

4. Aspartate

Question: 
 Volvox and Chlamydomonas are similar because they

1. belong to Chlorophyta

2.both are motile

3. both (a) and (b)

4.none of the above

Question: 
 Which of the following is true about bundle sheath cells present in the leaves having Kranz anatomy?

1.they have thin walls with many intercellular spaces and chloroplasts are absent

2.they have thin walls with no intercellular spaces and many chloroplasts

3.they have thick walls with many intercellular spaces and few chloroplasts

4.they have thick walls with no intercellular spaces and many chloroplasts

Question: 
 Which of the following organisms will vanish if all the ponds and puddles are destroyed?

1.Plasmodium

2. Trypanosoma

3.Leishmania

4.Ascaris

Question: 
 Which of the following pigments are not present in Dinoflagellates?

1. Fucoxanthin

2.Chlorophyll a

3.Chlorophyll b

4.Chlorophyll c

Question: 
 Which of the following produce acetyl CoA directly

1. Lysine

2.Phenylalanine

3.Isoleucine

4. Alanine

Question: 
Brain derives energy from ketogenesis, if glucose is

1.less

2. high

3.constant

4. zero

Question: 
C4 pathway takes place in

1. Xylem

2.Bundle sheath cells

3. Phloem

4.Mesophyll cells

Question: 
Dinoflagellates are

1.biflagellate

2.uniflagellate

3.they have many flagella

4.non flagellate

Question: 
Dinoflagellates are

1.Photosynthetic

2.Holophytic

3.Autotrophic

4.All of these

Question: 
Dinoflagellates belong to

1. Monera

2. Protista

3.Fungi

4. Animalia

Question: 
In C4 plants, Calvin cycle occurs in

1.chloroplasts present in the grana of bundle sheath

2.chloroplasts present in the grana of mesophyll

3.chloroplasts present in the stroma of mesophyll

4. chloroplasts present in the stroma of bundle sheath

Question: 
In leaves with Kranz anatomy, formation of malic acid during CO2 fixation occurs in

1.epidermis

2.phloem

3. mesophyll

4. bundle sheath

Question: 
In Amoeba and Paramecium, the cell organelle for osmoregulation is

1.nucleus

2. body surface

3.contractile vacuole

4.pseudopodia

Question: 
Ketone bodies are formed from

1.Acetone

2. Acetyl CoA

3.Acetoacetate

4.HCl

Question: 
Marine phytoplankton is mostly represented by

1.Brown algae

2.Green algae

3.Seaweeds

4.Diatoms and Dinoflagellates

Question: 
Most of the Dinoflagellates are

1. Multicellular

2. Unicellular

3.Zooflagellates

4. both (a) and (b)

Question: 
Organ of defense in protozoans is

1.statocysts

2.trichocysts

3.otocysts

4.nematocysts

Question: 
Sexual reproduction in Volvox is

1. Isogamous

2.Anisogamous

3. Oogamous

4.None of the above

Question: 
The chlorophyll pigment present in Volvox are

1.Chlorophyll a

2.Chlorophyll b

3.Chlorophyll e

4. both (a) and (b)

Question: 
The chloroplast present in Volvox is

1.cup-shaped

2.ribbon-shaped

3.girdle-shaped

4.star-shaped

Question: 
The correct option regarding the lac operon in E.coli from the following is

1.Lac operon is switched on in the absence of lactose

2.Lac repressor binds to the lac promoter

3. β-galactosidase is the only enzyme produced in large quantities when lac operon is turned on

4.lac operon messenger RNA is a polycistronic mRNA

Question: 
The difference between C3 and C4 pathway is

1.photorespiration

2.Calvin cycle

3.respiration

4. glycolysis

Question: 
The function of pusule in Dinoflagellate is

1.Osmoregulation

2. Food production

3.Food storage

4.Movement

Question: 
This condition in lac operon facilitates the condition of lac genes being transcribed at high levels

1. low glucose, high lactose

2. low glucose, low lactose

3.high glucose, high lactose

4.high glucose, low lactose

Question: 
Unicellular eukaryotes are grouped in

1. Monera

2.Protista

3. Archaea

4. Fungi

Question: 
Urine of a person contains abnormal quantities of ________ during prolonged fasting

1.amino acids

2.ketones

3.glucose

4.fats

Question: 
Volvox belongs to which of the following classes of algae?

1.Chlorophyceae

2.Phaeophyceae

3.Rhodophyceae

4.Chrysophyceae

Question: 
When the rate of synthesis of ketone bodies is more than its utilization, it leads to

1.colour blindness

2.diabetes

3.anaemia

4. ketonemia

Question: 
Which class does the malarial parasite belong to?

1.dinophyceae

2.sarcodina

3. ciliata

4.sporozoa

Question: 
Which of the following amino acids are exclusively ketogenic?

1.Asparagine

2.Threonine

3.Proline

4. Leucine

Question: 
Which of the following are ketone bodies

1.acetoacetate

2.acetone

3. ꞵ-hydroxy butyrate

4.all of the above

Question: 
Which of the following is a C4 plant?

1.Wheat

2.Cactus

3.Rice

4.Sugarcane

Question: 
Which of the following is not a characteristic feature of prtozoans

1.binary fission

2.contractile vacuole

3.cell membrane as an outer body covering

4.pseudopodia

Question: 
Which of the following pathways of carbon fixation has phosphoenol pyruvate as a primary CO2 acceptor?

1. C3 plant

2.C4 plants

3.both (a) and (b)

4. C2 plants

Question: 
Which of the following protozoans show bioluminescence?

1.Opaline

2.Noctiluca

3. Paramecium

4.Entamoeba

Question: 
Who discovered the C4 pathway?

1.Melvin Kelvin

2.Hatch and Slack

3.Rudolph Markus

4.Robert Brown

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