thefunword.com – MCQs, Mock Tests | NEET Test Series-2021 to 2022 NEET Biology MCQS Mock Test Paper 42

ï»¿Which of the following statement is false about Fabaceae?

1. It was earlier mentioned to as Papilionoideae
2. It is widely distributed across the world
3. It is common to find plants with fibrous root system here
4. It is a subfamily of family Leguminosae

✅ Correct Answer: 3

Which of the following statement is false about Hilum?

1. Hilum lies underneath micropyle
2. Ccar over the seed coat
3. Growing seeds are attached to the fruit through the hilum
4. Â All of the above

✅ Correct Answer: 1

What is the fruit of wheat and rice called?

1. Follicle
2. Caryopsis
3. Siliqua
4. Achene

✅ Correct Answer: 2

Which of the following is not an agricultural product?

1. Rice
2. Jute
3. Â Alum
4. Cotton

✅ Correct Answer: 3

Amoebiasis causes

1. Headache and cold
2. Dysentry
3. Â Fever
4. Severe cold

✅ Correct Answer: 2

Amoebiasis is caused by

1. Toxoplasma gondii
2. Entamoeba histolytica
3. Ascaris lumbricoides
4. Â None of these

✅ Correct Answer: 2

Entamoeba histolyticaÂ can be cultured in

1. Diamondâ€™s medium
2. CLED medium
3. NNN medium
4. MacConkey agar

✅ Correct Answer: 1

Presence of ingested RBCs is a characteristic feature of

1. Entamoeba histolytica
2. Dientamoeba fragilis
3. Â Entamoeba coli
4. Iodamoeba butcheli

✅ Correct Answer: 1

Â The most common site for amoebiasis is:

1. Cecum
2. Sigmoid colon
3. Transverse colon
4. Hepatic flexure

✅ Correct Answer: 1

Amoebiasis is transmitted by

1. Â Direct contact with dirty hands
2. Sexual contact
3. Faecal contamination of drinking water and food
4. All of these

✅ Correct Answer: 4

Differentiation between pathogenic and non-pathogenic strains can be done by

1. Phagocytic activity
2. Use of genetic markers
3. Zymodeme analysis
4. All of these

✅ Correct Answer: 4

Â In tissues, amoebiasis is treated with

1. Â Tinidazole
2. Nitazoxanide
3. Metronidazole
4. Any of these

✅ Correct Answer: 4

The karyosome ofÂ Entamoeba histolyticaÂ is

1. Â liver
2. progressive
3. central
4. even

✅ Correct Answer: 3

This statement is true about Thalassemia

1. Â There is a type of thalassemia depending on the number of mutations in genes
2. It is caused by mutations in the DNA of cells which make up the haemoglobin
3. Mild thalassemia may not need treatment
4. All of these

✅ Correct Answer: 4

This is not a symptom of Thalassemia disease

1. Abdominal cramps
2. Weakness and slow growth
3. Dark urine
4. Facial bone deformities

✅ Correct Answer: 1

This type of thalassemia disease is Cooley anaemia

1. Alloimmunization
2. Beta-thalassemia
3. Â Alpha-thalassemia
4. Â None of these

✅ Correct Answer: 2

Name the blood test which can detect if a person is a carrier of thalassemia

1. Prenatal testing
2. A complete blood count (CBC)
3. Â A Reticulocyte Count
4. All of these

✅ Correct Answer: 4

Treatment that can be given to thalassemia patients

1. Stem cell or bone marrow transplant
2. Blood transfusions
3. Iron chelation
4. All of the above

✅ Correct Answer: 4

Â Possible complications of thalassemia

1. Infection
2. Iron overload
3. Only B
4. Both A and B

✅ Correct Answer: 4

The complications that can occur in severe thalassemia is

1. Enlarged spleen
2. Bone deformities
3. Â Problems with the heart
4. All of these

✅ Correct Answer: 4

Â Factors leading to an increase in the risk of thalassemia disease

1. Certain ancestry
2. Family history of thalassemia
3. Only B
4. Â Both A and B

✅ Correct Answer: 4

This about alpha-thalassemia is correct

1. Number of gene mutations decide the severity of the condition
2. Haemoglobin fails to produce enough alpha protein in alpha-thalassemia
3. Alpha-thalassemia is common in South-east Asia, southern Asia, India etc
4. All of the above

✅ Correct Answer: 4

This about beta-thalassemia is true

1. two genes are necessary to make beta-globin chains
2. Mutation of genes decide the severity of the condition
3. Beta thalassemia is a common condition in West Asia, North Africa and the Mediterranean islands
4. Â All of these

✅ Correct Answer: 4

Compared to genus, which of the following is less general in characters?

1. Family
2. Â Species
3. Division
4. Â Class

✅ Correct Answer: 2

For wheat, which of the following combinations is correct?

1. GenusÂ Triticum, family Poaceae, order Poales, Class Monocotyledonae
2. GenusÂ Triticum,Â family Poaceae, order Poales, Class Dicotyledonae
3. GenusÂ Triticum,Â family Poaceae, order Sapindales, Class Monocotyledonae
4. GenusÂ Triticum,Â family Anacardiaceae, order Poales, Class Monocotyledonae

✅ Correct Answer: 1

Regulation of cellsâ€™ activity takes place through

1. Flow of substances
2. Â Flow of energy
3. Â Flow of hormones
4. Flow of smoke

✅ Correct Answer: 2

Â The correct sequence of taxonomic categories is:

1. Â Species -> genus -> order -> phylum
2. Â Species -> order -> genus-> kingdom
3. Genus -> species -> order -> kingdom
4. None of these

✅ Correct Answer: 1

Taxonomic hierarchy refer to

1. Classification of species based on the fossil record
2. Â A list of botanists or zoologists who have worked on the taxonomy of a species or group
3. Â a group of senior taxonomists who decide the nomenclature of animals and plants
4. Stepwise arrangement of all categories for classification of animals and plants

✅ Correct Answer: 4

Â Which one of these categories has real existence?

1. Â Species
2. Genus
3. Â Kingdom
4. Phylum

✅ Correct Answer: 1

A true species comprises of a population

1. Â Interbreeding
2. Sharing the same niche
3. Â Reproductively isolated
4. Feeding over the same food

✅ Correct Answer: 3

Nicotiana sylvestrisÂ flowers only during long days whileÂ N.tabacumÂ flowers only during short days. Under different photoperiods, they can be induced to flower at the same time and can be cross-fertilized to produce self-fertile offsprings. What is the best reason for consideringÂ Nicotiana sylvestrisÂ andÂ N.tabacumÂ as separate species?

1. They are reproductively distinct
2. They fail to interbreed in nature
3. They are physiologically different
4. They are distinct morphologically

✅ Correct Answer: 2

Â One of the first acts in taxonomy is

1. Identification
2. Description
3. Â Naming
4. Â Classification

✅ Correct Answer: 1

The main hormone secreted by the Thyroid gland

1. T4
2. Â T3
3. (a) and (b) Both
4. TSH

✅ Correct Answer: 3

Iodine deficiency can cause

1. Goitre
2. Thyroid cancer
3. Solitary thyroid nodules
4. Thyroiditis

✅ Correct Answer: 1

Graveâ€™s disease or Basedowâ€™s disease is due to

1. Hyperactivity of adrenal cortex
2. Hypoactivity of the thyroid gland
3. Hyperactivity of thyroid gland
4. Â Hypoactivity of islets of Langerhans

✅ Correct Answer: 3

The four small glands in the thyroid gland are known as

1. Adrenal gland
2. Pineal gland
3. Parathyroid gland
4. Â Endocrine and exocrine gland

✅ Correct Answer: 3

Sometimes, the thyroid symptoms are mistaken for which condition?

1. Menopause
2. Posttraumatic stress
3. Pregnancy
4. Crohnâ€™s disease

✅ Correct Answer: 1

Medications for hypothyroidism include treatment that:

1. Replaces insulin
2. Â Replaces ADH
3. Â Replaces TH
4. Replaces surfactant

✅ Correct Answer: 3

Which of these diseases is not related to thyroid glands?

1. Cretinism
2. Myxoedema
3. Goitre
4. Acromegaly

✅ Correct Answer: 4

In chronically deficient patients, this abnormality is directly related to the enlargement of the thyroid gland

1. Impaired conversion of T3 and T4
2. Reduced activity of thyroperoxidase
3. Elevated levels of TSH
4. An antibody that binds to the TSH receptor in the thyroid gland

✅ Correct Answer: 3

_____ encloses thyroid, responsible for its movement during swallowing

1. Â Prevertebral fascia
2. Pretracheal fascia
3. Investing layer of the deep cervical fascia
4. Superficial fascia

✅ Correct Answer: 2

This condition of chronic inflammation of the thyroid leading to under-activity is

1. Thyroiditis
2. Goitre
3. Hypothyroidism
4. Hyperthyroidism

✅ Correct Answer: 1

Coronary artery disease (CAD) can be determined by this test

1. Â Cardiac catherization
2. Electrocardiogram
3. Treadmill stress test
4. all of these

✅ Correct Answer: 4

The modifiable risk factor associated with coronary artery disease is

1. Age
2. Obesity
3. Â Heredity
4. Gender

✅ Correct Answer: 2

This is one of the symptoms of Coronary artery disease

1. Â Sleep problems
2. Headache
3. Diarrhoea
4. Pain or discomfort in the chest, lower jaw or arms

✅ Correct Answer: 4

If a stent is not used in a few cases who have coronary angioplasty done, the artery tends to narrow down or get blocked again in 6 months. This is more likely to happen if:

1. one smokes
2. one has unstable angina before the procedure
3. one has diabetes
4. all of these

✅ Correct Answer: 4

Coronary angioplasty, part of CADâ€™s treatment involves:

1. Â A new part of artery replaces the blocked section
2. to expand artery, medication is used
3. Â inflation of a tiny balloon inside an artery
4. Â None of these

✅ Correct Answer: 3

Doctors place a stent inside the artery during angioplasty. A stent is a

1. Â A new fragment of the artery
2. A wire mesh tube
3. A cotton tube
4. Â A slow-release medicine capsule

✅ Correct Answer: 2

The __________ branches into Circumflex artery and left anterior descendary artery

1. Â Left main coronary artery
2. right marginal artery
3. Posterior descendary artery
4. None of these

✅ Correct Answer: 1

One of these is not a symptom of acute coronary syndrome

1. ST Segment elevation myocardial infarction
2. Non ST segment elevation myocardial infarction
3. unstable angina
4. No episodes of dyspnea

✅ Correct Answer: 4

MCQs Practice Portal - thefunword.com

NEET Test Series-2021 to 2022 MCQ Quiz Hub

NEET Biology MCQS Mock Test Paper 42