Biology MCQ (Multiple Choice Questions) - SchoolingAxis

Biology MCQ (Multiple Choice Questions)

 Que- Where are Enzymes found? 

a. Food 

b. Human body 

c. Medicines 

d. None 

Answer- Human body

Que- Enzymes are important because they 

a. Maintain cell shape 

b. Transfer genetic information 

c. Contain water 

d. Speeds up chemical reactions 

Answer- Speeds up chemical reactions

Que- Which one is the largest gland of human body 

a. Liver  

b. Thyroid  

c. Pituitary  

d. Intestine  

Answer- Liver 

Que- Colon and rectum is a part of 

a. Small Intestine  

b. Large Intestine  

c. Stomach  

d. Ureter  

Answer- Large Intestine 

Que- Biological membranes are composed of 

a. Phospholipids 

b. Proteins 

c. Carbohydrate groups 

d. All of the above 

Answer- All of the above

Que- Biological membranes are composed of 

a. 40% proteins and 60% lipids 

b. 50% proteins and 50% lipids 

c. 70% proteins and 30% lipids 

d. 60% proteins and 40% lipids 

Answer- 60% proteins and 40% lipids

Que- They are double membrane structures that are commonly oval or disc shaped. 

a. Ribosomes 

b. Lysosomes 

c. Nucleus 

d. Golgi bodies 

Answer- Ribosomes

Que- The cell wall of plants is generally made up of cellulose and is differently structured then that of a 

a. Moss 

b. Bacterium 

c. Fern 

d. Algae 

Answer- Bacterium

Que- Which cell feature is responsible for making proteins? 

a. Chromosomes 

b. Nucleus 

c. Ribosomes 

d. Cytoplasm 

Answer- Ribosomes

Que- The group of pistals or carpels is collectively spoken off as a 

a. Androecium 

b. Gynaecium 

c. Callyx 

d. Corolla 

Answer- Gynaecium

Que- Each stamen has a slender stalk or filament at the top of which a pollen bearing organ is present 

a. Stigma 

b. Anther 

c. Filament 

d. Ovary 

Answer- Anther

Que- All sepals collectively constitute a structure termed as 

a. Calyx 

b. Corolla 

c. Gynaecium 

d. Androecium 

Answer- Calyx

Que- An expanded basal portion of carpel is called as 

a. Stigma 

b. Ovary 

c. Style 

d. Pollen tube 

Answer- Ovary

Que- Taken together the petals constitute 

a. Calyx 

b. Corolla 

c. Gynaecium 

d. Androecium 

Answer- Corolla

Que- Which structure is specific to eukaryotic cells? 

a. Nucleus 

b. DNA 

c. Cytoplasm 

d. Cell membrane 

Answer- Nucleus

Que- Which of these statements is true of the kingdom protista? 

a. All are unicellular 

b. All are hetertrophic 

c. All are autotrophic 

d. All are eukaryotic 

Answer- All are eukaryotic

Que- Study of internal structure of organism iscalled 

a. Morphology 

b. Anatomy 

c. Histology 

d. Cytology 

Answer- Anatomy

Que- Biology is the scientific study of  

a. Plants 

b. Animals 

c. Bacteria 

d. Living organisms 

Answer- Living organisms

Que- Which of the following does not have blood but undergoes respiration ? 

a. Cockroach 

b. Snail 

c. Hydra 

d. Kangaroo 

Answer- Hydra

Que- Which of the following plants produce only seeds but no fruit? 

a. Sugarcane 

b. Peanut 

c. Cycas 

d. Almond 

Answer- Cycas

Que- Study of pulse and arterial blood pressure is called 

a. Sphygmology 

b. Scerology 

c. Sonography 

d. None of these 

Answer- Sphygmology

Que- Longest artery found in the body of human 

a. Venacava 

b. Arota 

c. Capillaries 

d. Ventricle 

Answer- Arota

Que- Oxygen in our blood is transported by a protein named 

a. Keratin 

b. Myoglobi 

c. Collagen 

d. Haemoglobin 

Answer- Haemoglobin

Que- Who was the discoverer of human blood groups ? 

a. Landsteiner 

b. Livine 

c. Vinear 

d. Leeuwenhoek 

Answer- Landsteiner

Que- Study of blood is called 

a. Hepatology 

b. Hematalogy 

c. Histology 

d. None of these 

Answer- Hematalogy

Que- What does the central nervous system consists of? 

a. Brain 

b. Spinal cord 

c. Nerves 

d. All the above 

Answer- All the above

Que- Virus range in size from 

a. 2 nm to 70 nm 

b. 2 nm to 100 nm 

c. 2 nm to 200 nm 

d. 2 nm to 300 nm 

Answer- 2 nm to 300 nm

Que- Virus was discovered by 

a. V.M.Stanely 

b. Stanely Miller 

c. D.Lwanowski 

d. Karpenchenko 

Answer- D.Lwanowski

Que- The study of microrganisms is termed as  

a. Evolution 

b. Microbiology 

c. Zoology 

d. Palaeontology 

Answer- Microbiology

Que- Entamoeba Histolytica is a 

a. Virus  

b. Protozoan  

c. Fungus  

d. Bacteria  

Answer- Protozoan 

Que- Amoeba belongs to which group 

a. Protozoa  

b. Bacteria  

c. Fungi  

d. None of the above  

Answer- Protozoa 

Que- Who discovered the insecticidal properties of DDT? 

a. Othmanzedicer  

b. R.H. Painter  

c. Paul Muller  

d. Rachel Carson  

Answer- Paul Muller 

Que- There is no bacteria activity in which of the following process? 

a. Sewage disposal 

b. Tanning of leather 

c. Ripening of cheese 

d. Preparation of sillage 

Answer- Ripening of cheese

Que- ________ reproduces by binary fission. 

a. Amoeba 

b. Liverfiuke 

c. Plasmodium 

d. Planaria 

Answer- Amoeba

Que- The DNA of the bacterium is found present in a distinct nuclear region called 

a. Nucleolus 

b. Centrosome 

c. Nucleoid 

d. Nucleus 

Answer- Nucleoid

Que- In autotrophic bacteria, where is chlorophyll located? 

a. In the nucleoid 

b. In the infolded plasma membrane 

c. In the ribosomes 

d. In chloroplast membranes 

Answer- In the infolded plasma membrane

Que- Prokaryotic cells lack 

a. Membrane bound by organelles 

b. Nucleolus 

c. Nuclear membrane 

d. All the above 

Answer- All the above

Que- The science related with the study of living 

a. Physics 

b. Chemistry 

c. Biology 

d. Mathematic 

Answer- Biology

Que- Ribosomes are produced in the  

a. Nucleus 

b. Vacuole 

c. Endoplasmic Reticulum 

d. Cytoplasm 

Answer- Nucleus

Que- Which of the following organelle is known as the 'Power House' of the cell? 

a. Golgi Bodies 

b. Ribosomes 

c. Mitochondria 

d. None of these 

Answer- Mitochondria

Que- Smallest cell in human body is 

a. Ovum 

b. Nerve cell 

c. Sperm 

d. None of the above 

Answer- Sperm

Que- Infection of salivary glands by a virus leads to  

a. Tetanus 

b. Mumps 

c. Pyorrhoea 

d. Ulcers 

Answer- Mumps

Que- Which Virus causes Chicken Pox? 

a. Rubella Virus 

b. Herpes Zoster Virus 

c. Rabies 

d. Variola Virus 

Answer- Herpes Zoster Virus

Que- Besides Dog, which one is the other animal that can also cause rabies 

a. Donkey  

b. Bat  

c. Horse  

d. Crocodile  

Answer- Bat 

Que- Theilreia parva causes infection in 

a. Dog  

b. Buffalo  

c. Cat  

d. Horse  

Answer- Buffalo 

Que- The genotype of a plant showing a dominant phenotype can be determined by 

a. Backcross  

b. Dihybrid cross  

c. Testcross  

d. Pedigree analysis  

Answer- Testcross 

Que- Which of the following is not true of colour blindness? 

a. Colour blind people learn to rely on shapes, patterns, and positions of signs and signals 

b. Red-green colour blindness is the most common type of colour blindness 

c. A colour blind person cannot see any colours 

d. For some people, it might be difficult to recognize colours of traffic lights and signs 

Answer- A colour blind person cannot see any colours

Que- Stem Cell Therapy (SCT) is not useful for the treatment of which one of the following ailments ? 

a. Kidney failure 

b. Cancer 

c. Brain injury 

d. Vision impairment 

Answer- Vision impairment

Que- Which part of human eye controls the amount of light entering the eye 

a. Pupil  

b. Iris  

c. Cornea  

d. Retina  

Answer- Pupil 

Que- A seed is ripened 

a. Ovary 

b. Flower 

c. Gynoecium 

d. Ovule 

Answer- Ovule

Que- Which among the following is not a true fruit? 

a. Apple 

b. Date 

c. Grape 

d. Plum 

Answer- Apple

Que- Which of these is unique to flowering plants? 

a. Double fertilization 

b. An embryo surrounded by nutritive tissue 

c. Haploid gametophytes 

d. Pollen production 

Answer- Double fertilization

Que- The pollination by snail is called 

a. Zoophily 

b. Entomophily 

c. Chiropteriphily 

d. Malacophily 

Answer- Malacophily

Que- Which one of the following completes the given statement correctly ?A seed is a ripened 

a. Ovary 

b. Flower 

c. Gynoecium 

d. Ovule 

Answer- Ovule

Que- Sponges belongs to the phylum 

a. Protozoa 

b. Annelida 

c. Porifera 

d. Cnidaria 

Answer- Porifera

Que- Study of algae is called 

a. Phycology 

b. Micro biology 

c. Psychology 

d. None of the above 

Answer- Phycology

Que- Study of butterfly is 

a. Ichthyology 

b. Neonatology 

c. Lapidopterology 

d. Polynalogy 

Answer- Lapidopterology

Que- Which one of the following is the largest phylum in the animal kingdom ? 

a. Annelida 

b. Arthopoda 

c. Chordata 

d. Protozoa 

Answer- Arthopoda

Que- When a Cuttlefish is described as a Molluscs, it is at which level of classification? 

a. Class 

b. Order 

c. Family 

d. Phylum 

Answer- Phylum

Que- Late blight of potato is caused by 

a. Alternia solanii  

b. Phytophthora infestens  

c. Albugo candida  

d. Fusarium  

Answer- Phytophthora infestens 

Que- Amoeba proteus was discovered by 

a. Gerald Durrell  

b. William Bullock  

c. Johann Rösel von Rosenhof  

d. Paul Émile de Puydt 

Answer- Johann Rösel von Rosenhof 

Que- Which of the fungi is commonly called as bread mould 

a. Puccinia  

b. Rhizopus  

c. Ustilago  

d. All of these  

Answer- Rhizopus 

Que- In N2- fixation process, nitrite is converted to nitrate by 

a. Nitrobacter  

b. Azotobacter  

c. Nitosomonas  

d. Azospirillum  

Answer- Nitrobacter 

Que- Green mould is common name for 

a. Neurospora  

b. Mucor  

c. Penicillium  

d. Saccharomyces  

Answer- Penicillium 

Que- In test tube baby 

a. Fertilization of ova and development takes place in test tube 

b. Fertilization of ova takes place in test tube which development of embryo occur in uterus 

c. Fertilization takes place in uterus while development takes place in test tube 

d. Development of ova take place in test tube without fertilization 

Answer- Fertilization of ova takes place in test tube which development of embryo occur in uterus

Que- In uterus embryo get their nutrition through a structure called 

a. Fallopian tube 

b. Placenta 

c. Uterus 

d. None of these 

Answer- Placenta

Que- Study of female reproductive system is 

a. Gerontology 

b. Gastroenterology 

c. Gyneocology 

d. None of these 

Answer- Gyneocology

Que- Which among the following is/are female hormones? (i) Estrogen (ii) Progesterone (iii) Testosterone 

a. (i) and (iii) 

b. (i) and (ii) 

c. (ii) and (iii) 

d. Only (iii) 

Answer- (i) and (ii)

Que- Fertilization in human takes place inside 

a. Uterus 

b. Oviduct 

c. Ovigland 

d. None of these 

Answer- Oviduct

Que- Which of the following bacterium causes crown gall disease in plants? 

a. Bacillus thurigiensis 

b. Agrobacterium tumefaciens 

c. Pseudomonas fluorescens 

d. None of these 

Answer- Agrobacterium tumefaciens

Que- In plants which one of the following tissues is dead ? 

a. Parenchyma 

b. Collenchyma 

c. Sclerenchyma 

d. Phloem 

Answer- Sclerenchyma

Que- ________ connects muscle to the bones. 

a. Cartilage 

b. Areolar 

c. Ligaments 

d. Tendons 

Answer- Tendons

Que- In animals like Annelids, Molluscs, organs have associated to form functional systems, each system concerned with a specific physiological function. This pattern is called ________ system level of organization. 

a. Organ 

b. Open 

c. Closed 

d. Coelom 

Answer- Organ

Que- Xylem helps in transportation of which of the following? 

a. Food 

b. Water 

c. Nutrients 

d. Both food and water 

Answer- Water

Que- Saliva secreted from mouth digest 

a. Protein 

b. Starch 

c. Fat 

d. Vitamin 

Answer- Starch

Que- Which organ has finger like outgrowths which are called as Villi (Singular Villus)? 

a. Large Intestine 

b. Bladder 

c. Small Intestine 

d. Stomach 

Answer- Small Intestine

Que- A large number of bacteria in our digestive system, especially in the ________ and large intestine are important in completing digestive processes 

a. Large intestine 

b. Small intestine 

c. Stomach 

d. None of the above 

Answer- Small intestine

Que- Pepsin is an enzyme that digests ________ . 

a. Proteins 

b. Starch 

c. Carbohydrate 

d. Fats 

Answer- Proteins

Que- Which among the following is used to treat Indigestion? 

a. Antacid 

b. Antiseptic 

c. Analgesic 

d. Antibiotic 

Answer- Antacid

Que- The subcellular organelle not bound by a single membrane is 

a. Golgi apparatus  

b. Endoplasmic Reticulum  

c. Mitochondria  

d. Lysosomes  

Answer- Lysosomes 

Que- Which one is not found in the composition of Plasma membrane 

a. Minerals  

b. Phospholipids  

c. Carbohydrates  

d. Proteins  

Answer- Minerals 

Que- Which organelle in the cell, other than nucleus contains DNA 

a. Golgi body  

b. Mitochondria  

c. Lysosome  

d. Centriole  

Answer- Mitochondria 

Que- The single membrane surrounding vacuoles in plant cells is known as 

a. Apoplast  

b. Symplast  

c. Tonoplast  

d. Chloroplast  

Answer- Tonoplast 

Que- Cellular respiration occurs in 

a. Centromere  

b. Nucleus  

c. Mitochondria  

d. Golgi complex  

Answer- Mitochondria 

Que- Reflex actions are controlled by 

a. The Spinal Chord 

b. The Nerves 

c. The cells 

d. The Brain 

Answer- The Spinal Chord

Que- What part of the body controls balance? 

a. Cerebrum 

b. Cerebellum 

c. Medulla oblangata 

d. Amygdala 

Answer- Cerebellum

Que- Which part of the brain is responsible for consciousness? 

a. Brain stem 

b. Cerebrum 

c. Cerebellum 

d. None of the above 

Answer- Cerebrum

Que- Which part of Nervous system controls involuntary actions 

a. Medulla oblongata 

b. Cerebellum 

c. Hypothalamus 

d. Spinal cord 

Answer- Medulla oblongata

Que- The brain is covered by 

a. Meninges 

b. Skin 

c. Bone 

d. All the above 

Answer- All the above

Que- Metal present in Haemoglobin 

a. Copper 

b. Iron 

c. Mangnese 

d. Zinc 

Answer- Iron

Que- The right portion of human heart receives ________ blood. 

a. Pure 

b. Impure 

c. Mixed 

d. None 

Answer- Impure

Que- Arteries supplying blood to the heart are called 

a. Carotid arteries 

b. Hepatic arteries 

c. Coronary arteries 

d. Pulmonary arteries 

Answer- Coronary arteries

Que- The plasma of the blood contains which among the following constituents? I. Proteins II. Salts III. Hormones 

a. Only I and II 

b. Only I and III 

c. Only II and III 

d. All I, II and III 

Answer- All I, II and III

Que- Antibodies is produced in the plasma of blood by 

a. Monocytes 

b. Lymphocytes 

c. Eosinophils 

d. Neutrophils 

Answer- Lymphocytes

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