IGCSE Biology Paper-1: Specimen Questions with Answers 4 - 6 of 208
Question 4
Write in Short Short Answer▾
The diagrams show a leaf and a section through part of the same leaf.
Which label on the diagrams indicates an organ?
EditExplanation
Label A is indicating lamina part of leaf.
Label B is indicating palisade mesophyll cells.
Label C is indicating spongy mesophyll cells.
Label D is indicating sub-stomatal air space.
Question 5
Question MCQ▾
Small finger like structures called villi are present in?
Choices
Choice (4) | |
---|---|
a. | Esophagus |
b. | Large intestine |
c. | Stomach |
d. | Small intestine |
Answer
d.Explanation
The small intestine absorbs useful complexes from the digested food.
It does this through small villi or tiny microvilli.
These are very small, hair-like present in the walls of the intestine.
Question 6
Question MCQ▾
The diagrams show four different animals. They are not drawn to the same scale.
Which are vertebrates?
Choices
Choice (4) | |
---|---|
a. | 1 and 3 |
b. | 2 and 3 |
c. | 2 and 4 |
d. | 1 and 4 |
Answer
a.Explanation
Vertebrates are animals that have a backbone or spinal column, also called vertebrae. These animals include fish, birds, mammals, amphibians, and reptiles.
Invertebrates are animals that don՚t have a backbone or spinal column. These animals include arthropods, shellfish, star fish, worms, jellyfish, insects, and protozoa.