Human Evolution assertion reason questions for Class 10 ICSE
1.) Assertion (A): Homo sapiens is the only surviving species of the genus Homo.
Reason (R): Homo sapiens coexisted with Neanderthals.
(a) A is False and R is True
(b) Both A and R are True
(c) A is True and R is False
(d) Both A and R are False
– Answer: (b) Both A and R are True
2.) Assertion (A): The development of bipedalism is a key characteristic in human evolution.
Reason (R): Bipedalism refers to the ability to walk on four limbs.
(a) A is False and R is True
(b) Both A and R are True
(c) A is True and R is False
(d) Both A and R are False
– Answer: (a) A is False and R is True
3.) Assertion (A): The Australopithecus afarensis, known for the fossil “Lucy,” is an early hominin species.
Reason (R): Lucy’s fossils provided important insights into early human evolution.
(a) A is False and R is True
(b) Both A and R are True
(c) A is True and R is False
(d) Both A and R are False
– Answer: (b) Both A and R are True
4.) Assertion (A): Homo habilis is considered one of the earliest tool-using hominins.
Reason (R): Tools associated with Homo habilis have been discovered in archaeological sites.
(a) A is False and R is True
(b) Both A and R are True
(c) A is True and R is False
(d) Both A and R are False
– Answer: (b) Both A and R are True
5.) Assertion (A): The Homo neanderthalensis (Neanderthals) existed alongside Homo sapiens.
Reason (R): Neanderthals and Homo sapiens interbred.
(a) A is False and R is True
(b) Both A and R are True
(c) A is True and R is False
(d) Both A and R are False
– Answer: (a) A is False and R is True
6.) Assertion (A): Homo erectus is known for its advanced stone tool technology.
Reason (R): Homo erectus is the first hominin species to migrate out of Africa.
(a) A is False and R is True
(b) Both A and R are True
(c) A is True and R is False
(d) Both A and R are False
– Answer: (a) A is False and R is True
7.) Assertion (A): The term “hominin” refers to all species that are more closely related to humans than to chimpanzees.
Reason (R): Hominins include both extinct species and the modern human lineage.
(a) A is False and R is True
(b) Both A and R are True
(c) A is True and R is False
(d) Both A and R are False
– Answer: (b) Both A and R are True
8.) Assertion (A): The discovery of the Taung Child, an Australopithecus africanus fossil, provided evidence for early hominin bipedalism.
Reason (R): The Taung Child was found in Asia.
(a) A is False and R is True
(b) Both A and R are True
(c) A is True and R is False
(d) Both A and R are False
– Answer: (c) A is True and R is False
9.) Assertion (A): Homo floresiensis, known as the “Hobbit,” was a small-bodied hominin species.
Reason (R): Homo floresiensis coexisted with Homo sapiens.
(a) A is False and R is True
(b) Both A and R are True
(c) A is True and R is False
(d) Both A and R are False
– Answer: (a) A is False and R is True
10.) Assertion (A): The Out of Africa hypothesis suggests that Homo sapiens originated in Africa and migrated to other parts of the world.
Reason (R): Neanderthals originated in Africa.
(a) A is False and R is True
(b) Both A and R are True
(c) A is True and R is False
(d) Both A and R are False
– Answer: (c) A is True and R is False
11.) Assertion (A): Ardipithecus ramidus is considered one of the earliest hominins.
Reason (R): Ardipithecus ramidus lived exclusively in trees.
(a) A is False and R is True
(b) Both A and R are True
(c) A is True and R is False
(d) Both A and R are False
– Answer: (a) A is False and R is True
12.) Assertion (A): The Homo heidelbergensis is an intermediate species between Homo erectus and Homo sapiens.
Reason (R): Homo heidelbergensis is associated with the use of fire.
(a) A is False and R is True
(b) Both A and R are True
(c) A is True and R is False
(d) Both A and R are False
– Answer: (b) Both A and R are True
- ) Assertion (A): The Laetoli footprints, dating back over 3.6 million years, provide evidence of early hominin bipedalism.
Reason (R): The footprints were discovered in Tanzania.
(a) A is False and R is True
(b) Both A and R are True
(c) A is True and R is False
(d) Both A and R are False
– Answer: (a) A is False and R is True
14.) Assertion (A): The Denisovans are an extinct group of archaic humans known from DNA analysis of fossils.
Reason (R): Denisovans are considered a subspecies of Neanderthals.
(a) A is False and R is True
(b) Both A and R are True
(c) A is True and R is False
(d) Both A and R are False
– Answer: (a) A is False and R is True
15.) Assertion (A): The Homo neanderthalensis (Neanderthals) existed alongside Homo sapiens.
Reason (R): Neanderthals and Homo sapiens interbred.
(a) A is False and R is True
(b) Both A and R are True
(c) A is True and R is False
(d) Both A and R are False
– Answer: (a) A is False and R is True
16.) Assertion (A): The Homo naledi fossils were discovered in the Rising Star Cave system in South Africa.
Reason (R): Homo naledi exhibits a combination of primitive and derived features.
(a) A is False and R is True
(b) Both A and R are True
(c) A is True and R is False
(d) Both A and R are False
– Answer: (b) Both A and R are True
17.) Assertion (A): The Homo erectus species is associated with the use of fire and the controlled use of tools.
Reason (R): Homo erectus had a larger brain size compared to earlier hominins.
(a) A is False and R is True
(b) Both A and R are True
(c) A is True and R is False
(d) Both A and R are False
– Answer: (a) A is False and R is True
18.) Assertion (A): The term “Hominidae” includes humans, chimpanzees, bonobos, and their common ancestors.
Reason (R): Hominidae is a taxonomic family within the order Primates.
(a) A is False and R is True
(b) Both A and R are True
(c) A is True and R is False
(d) Both A and R are False
– Answer: (b) Both A and R are True
- )Assertion (A): Homo heidelbergensis is believed to be an ancestor of both Neanderthals and Homo sapiens.
Reason (R): Homo heidelbergensis fossils have been found in Africa, Europe, and Asia.
(a) A is False and R is True
(b) Both A and R are True
(c) A is True and R is False
(d) Both A and R are False
– Answer: (b) Both A and R are True
20.) Assertion (A): The Denisovan DNA is known from a finger bone found in the Denisova Cave in Siberia.
Reason (R): Denisovans are closely related to Neanderthals but represent a distinct branch of archaic humans.
(a) A is False and R is True
(b) Both A and R are True
(c) A is True and R is False
(d) Both A and R are False
– Answer: (b) Both A and R are True
21.) Assertion (A): The “Out of Africa” model proposes a single origin of Homo sapiens in Africa, with subsequent migration and replacement of other hominin populations.
Reason (R): The replacement of archaic hominins by Homo sapiens occurred gradually over an extended period.
(a) A is False and R is True
(b) Both A and R are True
(c) A is True and R is False
(d) Both A and R are False
– Answer: (a) A is False and R is True
22.) Assertion (A): The term “Australopithecus” means “Southern Ape.”
Reason (R): Australopithecus fossils have been found primarily in Australia.
(a) A is False and R is True
(b) Both A and R are True
(c) A is True and R is False
(d) Both A and R are False
– Answer: (c) A is True and R is False
23.) Assertion (A): Homo habilis is considered the first species in the genus Homo.
Reason (R): Homo habilis is characterized by a large brain size and advanced tool use.
(a) A is False and R is True
(b) Both A and R are True
(c) A is True and R is False
(d) Both A and R are False
– Answer: (c) A is True and R is False
24.) Assertion (A): The term “Hominin” includes all species that are more closely related to humans than to chimpanzees.
Reason (R): Hominins include both extinct species and the modern human lineage.
(a) A is False and R is True
(b) Both A and R are True
(c) A is True and R is False
(d) Both A and R are False
– Answer: (b) Both A and R are True
- )Assertion (A): The Homo floresiensis fossils were discovered on the island of Flores in Indonesia.
Reason (R): Homo floresiensis is commonly referred to as “Hobbit” due to its small stature.
(a) A is False and R is True
(b) Both A and R are True
(c) A is True and R is False
(d) Both A and R are False
– Answer: (b) Both A and R are True
- ) Assertion (A): The Homo naledi fossils were discovered in the Rising Star Cave system in South Africa.
Reason (R): Homo naledi exhibits a combination of primitive and derived features.
(a) A is False and R is True
(b) Both A and R are True
(c) A is True and R is False
(d) Both A and R are False
– Answer: (b) Both A and R are True
27.) Assertion (A): Homo erectus is known for its advanced stone tool technology.
Reason (R): Homo erectus is the first hominin species to migrate out of Africa.
(a) A is False and R is True
(b) Both A and R are True
(c) A is True and R is False
(d) Both A and R are False
– Answer: (b) Both A and R are True
- ) Assertion (A): The term “hominin” refers to all species that are more closely related to humans than to chimpanzees.
Reason (R): Hominins include both extinct species and the modern human lineage.
(a) A is False and R is True
(b) Both A and R are True
(c) A is True and R is False
(d) Both A and R are False
– Answer: (b) Both A and R are True
29.) Assertion (A): Homo floresiensis, known as the “Hobbit,” was a small-bodied hominin species.
Reason (R): Homo floresiensis coexisted with Homo sapiens.
(a) A is False and R is True
(b) Both A and R are True
(c) A is True and R is False
(d) Both A and R are False
– Answer: (a) A is False and R is True
- ) Assertion (A): The Out of Africa hypothesis suggests that Homo sapiens originated in Africa and migrated to other parts of the world.
Reason (R): Neanderthals originated in Africa.
(a) A is False and R is True
(b) Both A and R are True
(c) A is True and R is False
(d) Both A and R are False
– Answer: (c) A is True and R is False
31.) Assertion (A): Ardipithecus ramidus is considered one of the earliest hominins.
Reason (R): Ardipithecus ramidus lived exclusively in trees.
(a) A is False and R is True
(b) Both A and R are True
(c) A is True and R is False
(d) Both A and R are False
– Answer: (a) A is False and R is True
- )Assertion (A): The Homo heidelbergensis is an intermediate species between Homo erectus and Homo sapiens.
Reason (R): Homo heidelbergensis is associated with the use of fire.
(a) A is False and R is True
(b) Both A and R are True
(c) A is True and R is False
(d) Both A and R are False
– Answer: (b) Both A and R are True
- )Assertion (A): The Laetoli footprints, dating back over 3.6 million years, provide evidence of early hominin bipedalism.
Reason (R): The footprints were discovered in Tanzania.
(a) A is False and R is True
(b) Both A and R are True
(c) A is True and R is False
(d) Both A and R are False
– Answer: (a) A is False and R is True
34.) Assertion (A): The Denisovans are an extinct group of archaic humans known from DNA analysis of fossils.
Reason (R): Denisovans are considered a subspecies of Neanderthals.
(a) A is False and R is True
(b) Both A and R are True
(c) A is True and R is False
(d) Both A and R are False
– Answer: (a) A is False and R is True
35.) Assertion (A): Homo naledi fossils were discovered in South Africa’s Dinaledi Chamber.
Reason (R): Homo naledi exhibits a mix of primitive and modern human characteristics.
(a) A is False and R is True
(b) Both A and R are True
(c) A is True and R is False
(d) Both A and R are False
– Answer: (b) Both A and R are True