- 1UPSC CSE I - 2023Which of the following organisms perform waggle dance for others of their kin to indicate the direction and the distance to a source of their food?
- 2UPSC CSE I - 2022Which of the following are nitrogen-fixing plants?
- Alfalfa
- Amaranth
- Chickpea
- Clover
- Purslane (Kulfa)
- Spinach
Select the correct answer using the code given below: - 3UPSC CSE I - 2019Consider the following statements :
- Some species of turtles are herbivores.
- Some species of fish are herbivores.
- Some species of marine mammals are herbivores.
- Some species of snakes are viviparous.
Which of the statements given above are correct? - 4UPSC CSE I - 2014Consider the following:
- Bats
- Bears
- Rodents
The phenomenon of hibernation can be observed in which of the above kinds of animals? - 5UPSC CSE I - 2010
Some species of plants are insectivorous. Why?
- 6UPSC CSE I - 2008
Whit is the pH level of blood of a normal person?
- 7UPSC CSE I - 2008
Assertion (A): In human body, liver has important role in fat digestion.
Reason (R): Liver produces two important fat-digesting enzymes. - 8UPSC CSE I - 2007
Which one of the following is the correct sequence in the order of decreasing length of the three structural parts given below of small intestine in the human body?
- 9UPSC CSE I - 2007
Production of which one of the following is a function of the liver?
- 10UPSC CSE I - 2007
In the human body, which structure is the appendix attached to?
- 11UPSC CSE I - 2007
Which one of the following is not a digestive enzyme in the human system?
- 12UPSC CSE I - 2007
In human body, which one of the following hormones regulates blood calcium and phosphate?
- 13UPSC CSE I - 2007
Which one of the following parts of the human brain is the regulating centre for swallowing and vomiting?
- 14UPSC CSE I - 2007
Which of the following types of light are strongly absorbed by plants?
- 15UPSC CSE I - 2006
Consider the following statements with reference to the human body:
- The common bile duct releases its contents into stomach.
- The pancreatic duct releases its contents into duodenum.
Which of the statements given above is / are correct?
- 16UPSC CSE I - 2006
Assertion (A): The person with Diabetes insipidus feels thirsty.
Reason (R): A person with Diabetes insipidus suffers from excess secretion of vasopressin.
- 17UPSC CSE I - 2003
With reference to normal human beings, consider the following statements:
- In response to the presence of HCI, secretin is produced from the duodenum.
- Enterogastrone is produced in the small intestine in response to the presence of fatty acids.
Which of these statements is/are correct?
- 18UPSC CSE I - 2002
Which one of the following statements is not correct?
- 19UPSC CSE I - 2002
Assertion (A): Drinking of whisky increases the frequency of urination.
Reason (R): Alcohol intake speeds up the secretion of vasopressin in the body.
- 20UPSC CSE I - 2002
With reference to the human body, consider the following statements:
- The production of somatotropin goes up when a person exercises.
- Men's testes produce progesterone.
- Women's adrenal glands secrete testosterone.
- Stress causes the adrenals to release very less amount of cortisol than usual.
Which of these statements are correct?
- 21UPSC CSE I - 2001
Match List-I with List-H and select the correct answer using the codes given below the lists
List-I (Substance) List-II (Physiological role) A. Ptyalin 1. Converts angiotensinogen in blood into
angiotensinB. Pepsin 2. Digests starch C. Renin. 3. Digests proteins D. Oxytocin 4. Hydrolyses fats 5. Induces contraction of smooth muscles - - 22UPSC CSE I - 2000
The sensation of fatigue in the muscles after prolonged strenuous physical work is caused by
- 23UPSC CSE I - 2000Match List I (Endocrine glands) with List II (Hormones secreted) and select the correct answer using the codes given below the Lists:
List I List II I. Gonads A) Insulin II. Pituitary B) Progesterone III. Pancreas C) Growth hormones IV. Adrenal D) Cortisone - 24UPSC CSE I - 2000
The blood glucose level is commonly expressed as
- 25UPSC CSE I - 1999
Match the hormones in List-I with items in List-II and select the correct answer using the codes given below:
List- I List-II A. Adrenaline 1. Anger, fear, danger B. Estrogen 2. Attracting partners through sense of
smellC. Insulin 3. Females D. Pheromones 4 Glucose Codes:
ABCD - 26UPSC CSE I - 1999
In eye donation, which one of the following parts of donor's eye is utilized?
- 27UPSC CSE I - 1999
For which one of the following is capillarity not the reason?
- 28UPSC CSE I - 1997
The pituitary gland by virtue of its tropic hormones controls the secretaoy activity of other endocrine glands. Which one of the following endocrine gland can function independent of the pituitary gland?
- 29UPSC CSE I - 1996
Fat present below the skin surface in our body, acts as a barrier against
- 30UPSC CSE I - 1996
Which one of the following is not an essential micronutrient for plants?