Tag: biology

Quizzes (1160) Questions (12174)

Questions Related to biology

Multiple choice biology animal world oviparous and viviparous number and shape of cells unicellular and multicellular organisms diversity and classification in animals adaptations in animals

Birds and snakes are oviparous animals.

  1. True

  2. False
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation
Oviparous are the animals which lay eggs. Snakes belong to class Reptilia and birds belongs to class Aves. They lay eggs. The eggs hatch by the warmth of the body. The yolk of the egg provides nutrition to the developing embryo.
So, the correct answer is option A.
Multiple choice biology animal world oviparous and viviparous number and shape of cells unicellular and multicellular organisms diversity and classification in animals adaptations in animals

Calf grows

  1. Inside the cow's body

  2. Outside the cow's body

  3. Inside the kangaroo's body

  4. Outside the kangaroo's body
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Cow is a placental mammal. Once it gives birth to a calf it grows outside the cow's body.

Young one of Kangaroo is known as Joey.
So the correct answer is 'Outside the cow's body'. 

Multiple choice biology animal world oviparous and viviparous number and shape of cells unicellular and multicellular organisms diversity and classification in animals adaptations in animals

Viviparity is found in

  1. Sharks

  2. Lizards

  3. Frogs

  4. Birds
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

In viviparous animals, females give birth to young ones. The development of zygote takes place inside the female's body. Females deliver young ones and the chances of survival of offsprings are more. Mammals (except egg-laying mammals), like whale, shark, mouse, humans are examples of viviparous animals.

So, the correct answer is 'Sharks'.

Multiple choice biology diet, drugs and disease effect on general health growth and development in young people nutrient deficiency diseases diseases caused by changes in lifestyle nourishment and malnutrition

Excess intake of the following causes obesity

  1. Vitamins

  2. Proteins

  3. Carbohydrates

  4. Minerals
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Obesity is primarily caused by an energy imbalance where caloric intake exceeds energy expenditure. Excess intake of carbohydrates, which are converted to energy or stored as fat, is a major contributor.

Multiple choice biology diet, drugs and disease effect on general health growth and development in young people nutrient deficiency diseases diseases caused by changes in lifestyle nourishment and malnutrition

Junk food eaten frequently leads to 

  1. Good health

  2. Obesity

  3. Overnutrition

  4. None of these
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

  • Obesity is a medical condition in which excess body fat has accumulated to the extent that it may have a negative effect on health. 
  •  People are generally considered obese when their body mass index (BMI), a measurement obtained by dividing a person's weight by the square of the person's height, is over 30 kg/m2; the range 25–30 kg/m2 is defined as overweight. 
  • Obesity is most commonly caused by a combination of excessive food intake particularly fat and sugars, but don't burn off the energy through exercise and physical activity, it will be stored by the body as fat. Hence, Junk food eaten frequently leads to Obesity.
 So, the correct answer is 'Obesity'.

Multiple choice biology diet, drugs and disease effect on general health growth and development in young people nutrient deficiency diseases diseases caused by changes in lifestyle nourishment and malnutrition

To  avoid obesity you should eat junk food.

  1. True

  2. False
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation
  • Obesity is a medical condition in which excess body fat has accumulated to the extent that it may have a negative effect on health. 
  •  People are generally considered obese when their body mass index (BMI), a measurement obtained by dividing a person's weight by the square of the person's height, is over 30 kg/m2; the range 25–30 kg/m2 is defined as overweight. 
  • Obesity is most commonly caused by a combination of excessive food intake particularly fat and sugars, but don't burn off the energy through exercise and physical activity, it will be stored by the body as fat. Hence, To avoid obesity you should not eat junk food.
So, the correct answer is 'False'.
Multiple choice biology diet, drugs and disease effect on general health growth and development in young people nutrient deficiency diseases diseases caused by changes in lifestyle nourishment and malnutrition

Obesity is due to extra consumption of

  1. Carbohydrates

  2. Fats

  3. Proteins

  4. Both A and B
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Obesity results from the excess consumption of energy-dense foods, specifically carbohydrates and fats, which the body stores as adipose tissue when not utilized.

Multiple choice biology diet, drugs and disease effect on general health growth and development in young people nutrient deficiency diseases diseases caused by changes in lifestyle nourishment and malnutrition

Excess of fat rich food may result in

  1. Defects in vision

  2. Scurvy

  3. Obesity

  4. Rickets
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Fats and carbohydrates are among the three vital macronutrients, the other being proteins, that are needed to keep your body healthy. While eating moderate amounts is beneficial, excessive intake of fats and carbohydrates can cause complications such as cancer and obesity. 

Scurvy is a disease caused by a diet that lacks vitamin C (ascorbic acid). Defect of vision is caused by deficiency of vitamin A. Rickets caused by lack of vitamin D. 
Therefore, the correct answer is option C.

Multiple choice biology diet, drugs and disease effect on general health growth and development in young people nutrient deficiency diseases diseases caused by changes in lifestyle nourishment and malnutrition

The body mass index (BMI), or Quetlet index, is a heuristic proxy for human body fat based on an individual's weight and height. BMI does not actually measure the percentage of body fat. Body mass index is defined as the individual's body weight divided by the square of his or her height. The formula universally used in medicine produce a unit of measure of kg/$m^2$. Archana, who is 32 years old, consumes 1900 calories per day and does no exercise. She weighs 150 pounds and she is 5.3 feet tall. Choose the correct answer regarding her BMI. [Note : 1 pound = 0.45 kg; 1 foot = 30.4 cm.]

  1. Archana's BMI is 40.4 and she is over-weighed.

  2. Archana's BMI is 26.01 and she is over-weighed.

  3. Archana's BMI is 40.4 and she is obese.

  4. Archana's BMI is 28.86 and she is obese.
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Weight = 150 lbs * 0.45 kg/lb = 67.5 kg. Height = 5.3 feet * 30.4 cm/ft = 161.12 cm = 1.6112 m. BMI = Weight / Height^2 = 67.5 / (1.6112^2) = 67.5 / 2.596 = 26.001. A BMI of 26.01 falls into the overweight category.