1st Midterm Examination 2025/2026 Session - Biology (11th Grade)

Which of the following is an example of asexual reproduction in plants?

• Pollination

• Fragmentation

• Fertilization

• Conjugations

Tags

NGSS.MS-LS3-2

In sexual reproduction, the cell formed immediately after fertilization is called the

• Zygote

• Gamete

• Spore

• Embryo

Binary fission is common in:

• Earthworms

• Bacteria

• Flowering plants

• Mammals

Tags

NGSS.MS-LS3-2

Which structure produces pollen in flowering plants?

• A. Ovary

• B. Stigma

• C. Anther

• D. Style

In animals, conjugation is best described as:

• Fusion of gametes to form zygote

• Exchange of genetic material between two organisms

• Production of spores

• Budding to form offspring

Meiosis results in cells that are:

• Genetically identical to parent

• Diploid with same chromosome number as parent

• Haploid and genetically varied

• Polyploid

Tags

NGSS.HS-LS3-2

Which hormone in humans is primarily responsible for development of secondary sexual characteristics in males?

• A. Estrogen

• B. Progesterone

• C. Testosterone

• D. Insulin

Glycolysis takes place in the:

• Mitochondrial matrix

• Cytoplasm

• Chloroplast

• Golgi apparatus

The main product of glycolysis that enters the Krebs cycle is:

• Glucose

• Acetyl-CoA

• Lactic acid

• Ethanol

Tags

NGSS.HS-LS2-5

In the Krebs cycle (citric acid cycle), which molecule combines with acetyl-CoA to form citrate?

• A. Oxaloacetate

• B. Pyruvate

• C. Malate

• D. Fumarate