31. How many types of joints are present in our body?
[A] 2
[B] 3
[C] 5
[D] 6
Show Answer
Correct Answer: B [3]
Notes:
The human body has three main types of joints.
1. synarthrosis
2. amphiarthrosis
3. diarthrosis
32. Which of the following is best maintains intestinal health?
[A] Starches
[B] Vitamins
[C] Fiber
[D] Fat
Show Answer
Correct Answer: C [Fiber]
Notes:
Fiber maintains better intestinal health. Fiber is a type of carbohydrate that the body cannot digest.
33. Which gland is also known as the “third eye”?
[A] Adrenal glands
[B] Gonads
[C] Pineal gland
[D] None of these
Show Answer
Correct Answer: C [Pineal gland]
Notes:
The pineal gland is also known as the “third eye”. It is located between the two halves of the brain.
34. What are the symptoms of brucellosis in animals?
[A] arthritis in cows and pigs
[B] mastitis and lameness in goats
[C] oozing skin lesions in horses
[D] All of the above
Show Answer
Correct Answer: D [All of the above]
Notes:
Arthritis in cows and pigs, mastitis and lameness in goats, and oozing skin lesions in horses are the symptoms of brucellosis in animals.
35. Which of the following is a Congenital Disease?
[A] Kwashiorkor
[B] Sickle-cell anemia
[C] Goitre
[D] Rheumatoid Arthritis
Show Answer
Correct Answer: B [Sickle-cell anemia]
Notes:
Sickle cell anemia is one of a group of hereditary disorders known as sickle cell diseases. It causes red blood cells to become misshapen and break down.
36. Which of Mendel’s laws is against the theory of Blending inheritance?
[A] Law of segregation
[B] Law of dominance
[C] Law of recessive
[D] Law of independent assortment
Show Answer
Correct Answer: A [Law of segregation]
Notes:
The law of segregation states that allelomorphs do not and do not lose their identity, but as long as they separate into different gametes, they remain together until the formation of gametes. There is no law of recurring; This is just part of the law of dominance.
37. Which of the following will be pure breeding for only one character?
[A] Hh Rr
[B] HH Rr
[C] HH RR
[D] hh rr
Show Answer
Correct Answer: B [HH Rr]
Notes:
Hh RR would breed correct for the H locus but since it is heterozygous for the R locus, the R character would not be correct.
38. Which is one of the essential nutrients for the growth and development of plants?
[A] Potassium
[B] Phosphorus
[C] Nitrate
[D] Sodium
Show Answer
Correct Answer: B [Phosphorus]
Notes:
Phosphorus is one of the essential nutrients for the growth and development of plants.
39. Which of the following are the important applications of biofertilizers?
[A] Seedling root dip
[B] Soil Treatment
[C] Both 1 and 2
[D] Neither 1 nor 2
Show Answer
Correct Answer: C [Both 1 and 2]
Notes:
Seedling root dip, Seed, and Soil Treatment are the important applications of biofertilizers.
40. What is an autonomously repeating circular extra-chromosomal DNA?
[A] Bacteria
[B] Nitrogenous base
[C] RNA
[D] Plasmid
Show Answer
Correct Answer: D [Plasmid]
Notes:
A plasmid is an autonomously repeating circular extra-chromosomal DNA. They naturally exist in bacterial cells, and they also occur in some eukaryotes.
