Biology Practice Question and Answer
8 Q: ______ is caused when a child’s growing bones fail to develop due to a lack of vitamin D.
1109 064b17e342d3130f57524cb8c
64b17e342d3130f57524cb8c- 1Night blindnessfalse
- 2Ricketstrue
- 3Goitrefalse
- 4Scurvyfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 2. "Rickets"
Explanation :
1. Rickets occurs when a child's growing bones do not develop due to vitamin D deficiency.
2. Vitamin D is an essential nutrient that helps in the absorption of calcium and phosphate.
3. Symptoms of rickets include.
- Pain and tenderness in the bones of the feet and hands
- curvature in the bones of the legs
- pain in shoulders and hips
- muscle weakness
- delayed development Q: Which of the following is not true about Angiosperms?
1102 062cd623c51fe3472d6b303c1
62cd623c51fe3472d6b303c1- 1Spores are heterosporiesfalse
- 2Seeds are coveredfalse
- 3Dominant phase is gametophytestrue
- 4Vascular bundles are presentfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 3. "Dominant phase is gametophytes"
Q: What is synthesized in the Krebs cycle ?
1101 06258fa220560954965ab398f
6258fa220560954965ab398f- 1lactic acidfalse
- 2pyruvic acidtrue
- 3glucose and ATPfalse
- 4furic acidfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 2. "pyruvic acid "
Q: Night blindness is caused by the deficiency of vitamin _____.
1098 0632c5c245c208a6bf7eb9701
632c5c245c208a6bf7eb9701- 1Kfalse
- 2Atrue
- 3Cfalse
- 4B12false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 2. "A"
Q: How many teeth in man come out twice?
1093 063cfbbaa0d9e560db8e684e0
63cfbbaa0d9e560db8e684e0- 14false
- 212false
- 320true
- 428false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 3. "20"
Q: RBCs do not perform aerobic respiration because these do not contain
1089 063cfbd67e144980db72402f3
63cfbd67e144980db72402f3- 1Mitochondriatrue
- 2Nucleusfalse
- 3Endoplasmic reticulumfalse
- 4Lysosomesfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 1. "Mitochondria "
Q: Who discovered the first vaccine for smallpox?
1086 0632c4cc031300b7ce4733364
632c4cc031300b7ce4733364- 1Louis Pasteurfalse
- 2Edward Jennertrue
- 3Alexander Flemingfalse
- 4John Hunterfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 2. "Edward Jenner"
Q: Which of these diseases is contagious?
1079 0603632b6e62cee435672d938
603632b6e62cee435672d938- 1Malariatrue
- 2Cancerfalse
- 3Hypertensionfalse
- 4Diabetesfalse
- Show AnswerHide Answer
- Workspace
- SingleChoice