- Which one of the following factor directly influences the environment by non-sustainable use of the natural resource.
a. Deforestation
b. Pollution
c. Soil erosion
d. Over-population - Which part of phosphatidylcholine is hydrophilic?
a. Straight tail
b. Bend tail
c. Head
d. Totally non-polar molecules - Which one is absent in glycocalyx?
a. Carbohydrates
b. Lipids
c. Proteins
d. All present - Release of neurotransmitters in the synaptic cleft is a type of movement?
a. Active
b. Passive
c. Facilitated
d. Exocytosis - Which types of molecule does not require any carrier for the intracellular or extra-cellular transport?
a. Ions
b. Proteins
c. Phospholipids
d. All needed carriers? - Which one is the monomeric unit of chitin?
a. N-Acetyl-Glucosamine
b. Alpha-Galactokonic acid
c. Alpha-D-Glucose
d. Amino acid/glycan conjugate - Which one of the following is building block of hemicellulose?
a. Glucosamine
b. Alpha-Galactokonic acid
c. Amino acid/glycan conjugate
d. Xyloglucan - Which one is not a component of sphingomyelin?
a. A fatty acid
b. Phosphocholine
c. Acetyl group
d. Sphingosine - How many pyrrole rings are present in a heme?
a. 1
b. 2
c. 3
d. 4 - Which one is not the name of the Golgi apparatus?
a. Golgi complex
b. Golgi bodies
c. Dictyosome
d. All are the name of Golgi apparatus - Which plastids involved in the storage of lipids/fats
a. Amyloplasts
b. Elaioplats
c. Chromoplasts
d. Proteinoplasts - Which one is not present in vacuole?
a. Ca++
b. K+
c. H2PO4
d. Nucleotide - Which one lacks Glyoxysomes?
a. Mustard
b. Caster oil
c. Soyabean
d. Pea - Which one of the following scientist is not an evolutionist?
a. Lamarck
b. Linnaeus
c. De Varies
d. All are evolutionists - Which one not change genotypic and allelic frequencies in a population?
a. Mutation
b. Migration
c. Selective breeding
d. All results in change - Which one histone is called linker?
a. H1
b. H2A
c. H2B
d. H3 & H4 - In plants gametes are formed by____________.
a. Meiosis
b. Mitosis
c. Nuclear mitosis
d. First meiosis than mitosis - Dikaryon means?
a. Diploid nuclei in the cells of mycelium
b. Haploid nuclei in a cell of a mycelium
c. Two diploid nuclei in the cell of mycelium
d. 2 haploid nuclei in the cell of mycelium - Homozygous of autosomal dominant disease crossed with the carrier how many offspring in the next progeny will be affected with that disease?
a. ¼
b. ½
c. 1/3
d. All affected - The place of Krebs cycle in the cell is?
a. ETC
b. Cytoplasm
c. Mitochondrial Matrix
d. Peroxisomes - At the end of meiosis I each chromosomes have __ chromatids?
a. One
b. May be Two or one
c. Tetrad
d. Always two - Which one is hemizygous individual w.r.t. autososmes?
a. Human male
b. Human female
c. Drosophila male
d. None - Which one have centrioles?
a. Actinomycetes
b. Yeasts
c. Pine tree
d. None of the above - RNA polymerase 2 involved in the synthesis of?
a. rRNA
b. mRNA
c. tRNA
d. ssDNA - which one is not an enzyme?
a. DNA gyrase
b. DNA helicase
c. SSBs
d. DNA Topoisomerase
Note: One thing to keep in mind is that if you want to get some benefit, you have to solve the Quiz first, and then you have to look at the key given below.
Answer Keys- 3rd Stage Day 1- Biology Quiz 1 – Principles in animals life