GS One‑Liners
high‑yield facts · smart revision
5107
facts
5107
results
Latest facts first
| # | Question & Answer |
|---|---|
| 3876 |
What do we call a pair of identical alleles?
-
Homozygous.
|
| 3877 |
Why are Punnett squares used in genetics?
-
To predict possible traits in offspring.
|
| 3878 |
What does Mendel’s Law of Independent Assortment explain?
-
Different gene pairs assort independently during inheritance.
|
| 3879 |
What does Mendel’s Law of Segregation say about gene pairs?
-
They separate during gamete formation.
|
| 3880 |
What does Mendel’s Law of Dominance state?
-
A dominant trait masks a recessive one.
|
| 3881 |
Why does variation occur in offspring?
-
Due to recombination and independent assortment of genes.
|
| 3882 |
What term describes the genetic makeup of an organism?
-
Genotype.
|
| 3883 |
What term describes physical traits like height or eye colour?
-
Phenotype.
|
| 3884 |
Why do traits pass from parents to offspring?
-
Because genes are inherited.
|
| 3885 |
What is the role of RNA in cells?
-
It helps in protein synthesis.
|
| 3886 |
Why is DNA considered the genetic blueprint?
-
It carries instructions for heredity and cell function.
|
| 3887 |
What is the structure of DNA commonly called?
-
A double helix.
|
| 3888 |
Why is meiosis important for reproduction?
-
It reduces the chromosome number by half to form gametes.
|
| 3889 |
What is the main purpose of mitosis?
-
Growth and repair by producing identical cells.
|
| 3890 |
Why do plant cells have large vacuoles?
-
To maintain water balance and store nutrients.
|
| 3891 |
Which part of the cell contains digestive enzymes for breaking down waste?
-
Lysosomes.
|
| 3892 |
Which organelle packages and modifies cellular products?
-
The Golgi apparatus.
|
| 3893 |
What is the function of the rough endoplasmic reticulum (RER)?
-
To synthesize and transport proteins.
|
| 3894 |
Which organelle is responsible for making proteins?
-
Ribosomes.
|
| 3895 |
Which organelle helps detoxify harmful substances in the cell?
-
The smooth endoplasmic reticulum (SER).
|
| 3896 |
Why do mitochondria produce energy?
-
They carry out cellular respiration to release ATP.
|
| 3897 |
Which organelle is known as the powerhouse of the cell?
-
The mitochondrion.
|
| 3898 |
Why is the nucleus considering the control centre of the cell?
-
Because it stores genetic material and regulates activities.
|
| 3899 |
Which outer covering gives plant cells their rigidity?
-
The cell walls.
|
| 3900 |
What makes eukaryotic cells more complex than prokaryotic cells?
-
They have a true nucleus and membrane-bound organelles.
|